642510056232 has 96 divisors (see below), whose sum is σ = 1898474628960. Its totient is φ = 194684688000.

The previous prime is 642510056219. The next prime is 642510056291. The reversal of 642510056232 is 232650015246.

642510056232 is a `hidden beast` number, since 6 + 4 + 25 + 1 + 0 + 0 + 5 + 623 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 13829682 + ... + 13876062.

It is an arithmetic number, because the mean of its divisors is an integer number (19775777385).

Almost surely, 2^642510056232 is an apocalyptic number.

It is an amenable number.

642510056232 is an abundant number, since it is smaller than the sum of its proper divisors (1255964572728).

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

642510056232 is a wasteful number, since it uses less digits than its factorization.

642510056232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63895 (or 63888 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 642510056232 in words is "six hundred forty-two billion, five hundred ten million, fifty-six thousand, two hundred thirty-two".