38513504384 has 32 divisors (see below), whose sum is σ = 77196876240. Its totient is φ = 19138602240.

The previous prime is 38513504377. The next prime is 38513504411. The reversal of 38513504384 is 48340531583.

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, 902102 + ... + 943829.

Almost surely, 2^38513504384 is an apocalyptic number.

It is an amenable number.

38513504384 is an abundant number, since it is smaller than the sum of its proper divisors (38683371856).

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

38513504384 is a wasteful number, since it uses less digits than its factorization.

38513504384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846108 (or 1846096 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 38513504384 in words is "thirty-eight billion, five hundred thirteen million, five hundred four thousand, three hundred eighty-four".