40256400571156 has 48 divisors (see below), whose sum is σ = 87881408778240. Its totient is φ = 15675515111520.

The previous prime is 40256400571063. The next prime is 40256400571159. The reversal of 40256400571156 is 65117500465204.

40256400571156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40256400571159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36103276 + ... + 37201603.

It is an arithmetic number, because the mean of its divisors is an integer number (1830862682880).

Almost surely, 2^{40256400571156} is an apocalyptic number.

It is an amenable number.

40256400571156 is an abundant number, since it is smaller than the sum of its proper divisors (47625008207084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40256400571156 is a wasteful number, since it uses less digits than its factorization.

40256400571156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73306684 (or 73306682 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 40256400571156 in words is "forty trillion, two hundred fifty-six billion, four hundred million, five hundred seventy-one thousand, one hundred fifty-six".