38664873456 has 80 divisors (see below), whose sum is σ = 109000904448. Its totient is φ = 11712729600.

The previous prime is 38664873449. The next prime is 38664873461. The reversal of 38664873456 is 65437846683.

It is a self number, because there is not a number n which added to its sum of digits gives 38664873456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843380 + ... + 1864236.

Almost surely, 2^38664873456 is an apocalyptic number.

It is an amenable number.

38664873456 is an abundant number, since it is smaller than the sum of its proper divisors (70336030992).

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

38664873456 is a wasteful number, since it uses less digits than its factorization.

38664873456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24390 (or 24384 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 60.

The spelling of 38664873456 in words is "thirty-eight billion, six hundred sixty-four million, eight hundred seventy-three thousand, four hundred fifty-six".