38655174138 has 32 divisors (see below), whose sum is σ = 88842848640. Its totient is φ = 10983314880.

The previous prime is 38655174113. The next prime is 38655174139. The reversal of 38655174138 is 83147155683.

It is not an unprimeable number, because it can be changed into a prime (38655174139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2534833 + ... + 2550036.

It is an arithmetic number, because the mean of its divisors is an integer number (2776339020).

Almost surely, 2^38655174138 is an apocalyptic number.

38655174138 is an abundant number, since it is smaller than the sum of its proper divisors (50187674502).

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

38655174138 is a wasteful number, since it uses less digits than its factorization.

38655174138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085062.

The product of its digits is 2419200, while the sum is 51.

The spelling of 38655174138 in words is "thirty-eight billion, six hundred fifty-five million, one hundred seventy-four thousand, one hundred thirty-eight".