38238019856 has 40 divisors (see below), whose sum is σ = 74850459264. Its totient is φ = 18921929600.

The previous prime is 38238019849. The next prime is 38238019891. The reversal of 38238019856 is 65891083283.

It is a junction number, because it is equal to n+sod(n) for n = 38238019798 and 38238019807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7733321 + ... + 7738263.

Almost surely, 2^38238019856 is an apocalyptic number.

It is an amenable number.

38238019856 is a deficient number, since it is larger than the sum of its proper divisors (36612439408).

38238019856 is a wasteful number, since it uses less digits than its factorization.

38238019856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9839 (or 9833 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 38238019856 in words is "thirty-eight billion, two hundred thirty-eight million, nineteen thousand, eight hundred fifty-six".