40400762568 has 32 divisors (see below), whose sum is σ = 101525244000. Its totient is φ = 13397142528.

The previous prime is 40400762551. The next prime is 40400762581. The reversal of 40400762568 is 86526700404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356418 + ... + 4365681.

It is an arithmetic number, because the mean of its divisors is an integer number (3172663875).

Almost surely, 2^40400762568 is an apocalyptic number.

It is an amenable number.

40400762568 is an abundant number, since it is smaller than the sum of its proper divisors (61124481432).

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

40400762568 is a wasteful number, since it uses less digits than its factorization.

40400762568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722301 (or 8722297 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 40400762568 in words is "forty billion, four hundred million, seven hundred sixty-two thousand, five hundred sixty-eight".