312465542064 has 80 divisors (see below), whose sum is σ = 869414187264. Its totient is φ = 96130080000.

The previous prime is 312465542057. The next prime is 312465542071. The reversal of 312465542064 is 460245564213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312465542057) and next prime (312465542071).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5155939 + ... + 5216189.

Almost surely, 2^312465542064 is an apocalyptic number.

It is an amenable number.

312465542064 is an abundant number, since it is smaller than the sum of its proper divisors (556948645200).

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

312465542064 is a wasteful number, since it uses less digits than its factorization.

312465542064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68586 (or 68580 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 312465542064 in words is "three hundred twelve billion, four hundred sixty-five million, five hundred forty-two thousand, sixty-four".