38108768520 has 32 divisors (see below), whose sum is σ = 114326305920. Its totient is φ = 10162338240.

The previous prime is 38108768497. The next prime is 38108768531. The reversal of 38108768520 is 2586780183.

38108768520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38108768520² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38108768520.

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, 158786416 + ... + 158786655.

It is an arithmetic number, because the mean of its divisors is an integer number (3572697060).

Almost surely, 2^38108768520 is an apocalyptic number.

38108768520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38108768520 is an abundant number, since it is smaller than the sum of its proper divisors (76217537400).

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

38108768520 is a wasteful number, since it uses less digits than its factorization.

38108768520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317573085 (or 317573081 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 38108768520 in words is "thirty-eight billion, one hundred eight million, seven hundred sixty-eight thousand, five hundred twenty".