38539537980 has 48 divisors (see below), whose sum is σ = 108453004800. Its totient is φ = 10225562688.

The previous prime is 38539537973. The next prime is 38539537991. The reversal of 38539537980 is 8973593583.

38539537980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1601944 + ... + 1625823.

It is an arithmetic number, because the mean of its divisors is an integer number (2259437600).

Almost surely, 2^38539537980 is an apocalyptic number.

38539537980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38539537980 is an abundant number, since it is smaller than the sum of its proper divisors (69913466820).

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

38539537980 is a wasteful number, since it uses less digits than its factorization.

38539537980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227978 (or 3227976 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 38539537980 in words is "thirty-eight billion, five hundred thirty-nine million, five hundred thirty-seven thousand, nine hundred eighty".