52439980160 has 32 divisors (see below), whose sum is σ = 125364329100. Its totient is φ = 20975991808.

The previous prime is 52439980147. The next prime is 52439980171. The reversal of 52439980160 is 6108993425.

It can be written as a sum of positive squares in 2 ways, for example, as 47827940416 + 4612039744 = 218696^2 + 67912^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 40968095 + ... + 40969374.

Almost surely, 2^52439980160 is an apocalyptic number.

It is an amenable number.

52439980160 is an abundant number, since it is smaller than the sum of its proper divisors (72924348940).

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

52439980160 is an equidigital number, since it uses as much as digits as its factorization.

52439980160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81937488 (or 81937476 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 52439980160 in words is "fifty-two billion, four hundred thirty-nine million, nine hundred eighty thousand, one hundred sixty".