542432656 has 20 divisors (see below), whose sum is σ = 1051416832. Its totient is φ = 271099296.

The previous prime is 542432641. The next prime is 542432663. The reversal of 542432656 is 656234245.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40321 + ... + 52063.

Almost surely, 2^542432656 is an apocalyptic number.

It is an amenable number.

542432656 is a deficient number, since it is larger than the sum of its proper divisors (508984176).

542432656 is a wasteful number, since it uses less digits than its factorization.

542432656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638 (or 14632 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 542432656 is about 23290.1836832602. The cubic root of 542432656 is about 815.5462763398.

The spelling of 542432656 in words is "five hundred forty-two million, four hundred thirty-two thousand, six hundred fifty-six".