38721053984 has 24 divisors (see below), whose sum is σ = 76365617328. Its totient is φ = 19326611520.

The previous prime is 38721053983. The next prime is 38721053999. The reversal of 38721053984 is 48935012783.

It is not an unprimeable number, because it can be changed into a prime (38721053983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041302 + ... + 1077845.

It is an arithmetic number, because the mean of its divisors is an integer number (3181900722).

Almost surely, 2^38721053984 is an apocalyptic number.

It is an amenable number.

38721053984 is a deficient number, since it is larger than the sum of its proper divisors (37644563344).

38721053984 is a wasteful number, since it uses less digits than its factorization.

38721053984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119728 (or 2119720 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 38721053984 in words is "thirty-eight billion, seven hundred twenty-one million, fifty-three thousand, nine hundred eighty-four".