312495363640 has 32 divisors (see below), whose sum is σ = 703156770000. Its totient is φ = 124990642944.

The previous prime is 312495363613. The next prime is 312495363641. The reversal of 312495363640 is 46363594213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312495363641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466156 + ... + 917764.

Almost surely, 2^312495363640 is an apocalyptic number.

It is an amenable number.

312495363640 is an abundant number, since it is smaller than the sum of its proper divisors (390661406360).

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

312495363640 is a wasteful number, since it uses less digits than its factorization.

312495363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468919 (or 468915 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 312495363640 in words is "three hundred twelve billion, four hundred ninety-five million, three hundred sixty-three thousand, six hundred forty".