642460606092 has 72 divisors (see below), whose sum is σ = 1626770745600. Its totient is φ = 213788187648.

The previous prime is 642460606079. The next prime is 642460606127. The reversal of 642460606092 is 290606064246.

642460606092 is a `hidden beast` number, since 6 + 42 + 460 + 6 + 0 + 60 + 92 = 666.

642460606092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 55913884 + ... + 55925372.

Almost surely, 2^642460606092 is an apocalyptic number.

It is an amenable number.

642460606092 is an abundant number, since it is smaller than the sum of its proper divisors (984310139508).

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

642460606092 is a wasteful number, since it uses less digits than its factorization.

642460606092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015 (or 14010 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 642460606092 in words is "six hundred forty-two billion, four hundred sixty million, six hundred six thousand, ninety-two".