38625811038138 has 64 divisors (see below), whose sum is σ = 78377050540800. Its totient is φ = 12689070266880.

The previous prime is 38625811038041. The next prime is 38625811038163. The reversal of 38625811038138 is 83183011852683.

It is a super-2 number, since 2×38625811038138² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154283670 + ... + 154533822.

It is an arithmetic number, because the mean of its divisors is an integer number (1224641414700).

Almost surely, 2^{38625811038138} is an apocalyptic number.

38625811038138 is an abundant number, since it is smaller than the sum of its proper divisors (39751239502662).

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

38625811038138 is a wasteful number, since it uses less digits than its factorization.

38625811038138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251527.

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 38625811038138 in words is "thirty-eight trillion, six hundred twenty-five billion, eight hundred eleven million, thirty-eight thousand, one hundred thirty-eight".