52439408868 has 96 divisors (see below), whose sum is σ = 154061687808. Its totient is φ = 13485744000.

The previous prime is 52439408839. The next prime is 52439408873. The reversal of 52439408868 is 86880493425.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187630 + ... + 374277.

It is an arithmetic number, because the mean of its divisors is an integer number (1604809248).

Almost surely, 2^52439408868 is an apocalyptic number.

It is an amenable number.

52439408868 is an abundant number, since it is smaller than the sum of its proper divisors (101622278940).

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

52439408868 is a wasteful number, since it uses less digits than its factorization.

52439408868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562033 (or 562031 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 52439408868 in words is "fifty-two billion, four hundred thirty-nine million, four hundred eight thousand, eight hundred sixty-eight".