625440031364 has 12 divisors (see below), whose sum is σ = 1096805068800. Its totient is φ = 312067154568.

The previous prime is 625440031361. The next prime is 625440031367. The reversal of 625440031364 is 463130044526.

It is an interprime number because it is at equal distance from previous prime (625440031361) and next prime (625440031367).

It is not an unprimeable number, because it can be changed into a prime (625440031361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163213124 + ... + 163216955.

It is an arithmetic number, because the mean of its divisors is an integer number (91400422400).

Almost surely, 2^625440031364 is an apocalyptic number.

It is an amenable number.

625440031364 is a deficient number, since it is larger than the sum of its proper divisors (471365037436).

625440031364 is a wasteful number, since it uses less digits than its factorization.

625440031364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326430562 (or 326430560 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 625440031364 in words is "six hundred twenty-five billion, four hundred forty million, thirty-one thousand, three hundred sixty-four".