38980391500 has 24 divisors (see below), whose sum is σ = 85133176128. Its totient is φ = 15592156400.

The previous prime is 38980391479. The next prime is 38980391533. The reversal of 38980391500 is 519308983.

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, 38979892 + ... + 38980891.

It is an arithmetic number, because the mean of its divisors is an integer number (3547215672).

Almost surely, 2^38980391500 is an apocalyptic number.

It is an amenable number.

38980391500 is an abundant number, since it is smaller than the sum of its proper divisors (46152784628).

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

38980391500 is a wasteful number, since it uses less digits than its factorization.

38980391500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77960802 (or 77960790 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 38980391500 in words is "thirty-eight billion, nine hundred eighty million, three hundred ninety-one thousand, five hundred".