52416640384 has 32 divisors (see below), whose sum is σ = 104488687800. Its totient is φ = 26192028672.

The previous prime is 52416640361. The next prime is 52416640457. The reversal of 52416640384 is 48304661425.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52416640384.

It is a congruent number.

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, 80764 + ... + 333700.

Almost surely, 2^52416640384 is an apocalyptic number.

It is an amenable number.

52416640384 is a deficient number, since it is larger than the sum of its proper divisors (52072047416).

52416640384 is a wasteful number, since it uses less digits than its factorization.

52416640384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254570 (or 254558 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 52416640384 in words is "fifty-two billion, four hundred sixteen million, six hundred forty thousand, three hundred eighty-four".