Select 40 unique numbers from 1 to 400
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 19,703,374,084,393,022,242,572,816,917,282,347,863,420,910,744,515,903,488 (~1.9703374084393E+37 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 16,076,284,047,006,820,004,667,829,717,196,530,247,773,747,344,682,959,567,570,442,719,747,398,772,515,919,504,610,887,184,542,899,109,888 (~1.6076284047007E+85 million trillion)
If order does not matter (e.g. most lottery numbers): 19,703,374,084,393,022,242,572,816,917,282,347,863,420,910,744,515,903,488 (~1.9703374084393E+37 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 16,076,284,047,006,820,004,667,829,717,196,530,247,773,747,344,682,959,567,570,442,719,747,398,772,515,919,504,610,887,184,542,899,109,888 (~1.6076284047007E+85 million trillion)