38710957920 has 48 divisors (see below), whose sum is σ = 121939518960. Its totient is φ = 10322921984.

The previous prime is 38710957919. The next prime is 38710957933. The reversal of 38710957920 is 2975901783.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 40323435 + ... + 40324394.

It is an arithmetic number, because the mean of its divisors is an integer number (2540406645).

Almost surely, 2^38710957920 is an apocalyptic number.

38710957920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38710957920 is an abundant number, since it is smaller than the sum of its proper divisors (83228561040).

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

38710957920 is a wasteful number, since it uses less digits than its factorization.

38710957920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80647847 (or 80647839 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 38710957920 in words is "thirty-eight billion, seven hundred ten million, nine hundred fifty-seven thousand, nine hundred twenty".