31626430066404 has 72 divisors (see below), whose sum is σ = 80109089424000. Its totient is φ = 10520467209792.

The previous prime is 31626430066379. The next prime is 31626430066457. The reversal of 31626430066404 is 40466003462613.

31626430066404 is a `hidden beast` number, since 316 + 26 + 4 + 300 + 6 + 6 + 4 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 31626430066404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45931114 + ... + 46614590.

It is an arithmetic number, because the mean of its divisors is an integer number (1112626242000).

Almost surely, 2^{31626430066404} is an apocalyptic number.

It is an amenable number.

31626430066404 is an abundant number, since it is smaller than the sum of its proper divisors (48482659357596).

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

31626430066404 is a wasteful number, since it uses less digits than its factorization.

31626430066404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686129 (or 686124 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 31626430066404 in words is "thirty-one trillion, six hundred twenty-six billion, four hundred thirty million, sixty-six thousand, four hundred four".