38538718854 has 32 divisors (see below), whose sum is σ = 82112123520. Its totient is φ = 12016397952.

The previous prime is 38538718843. The next prime is 38538718861. The reversal of 38538718854 is 45881783583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1142364 + ... + 1175615.

It is an arithmetic number, because the mean of its divisors is an integer number (2566003860).

Almost surely, 2^38538718854 is an apocalyptic number.

38538718854 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

38538718854 is an abundant number, since it is smaller than the sum of its proper divisors (43573404666).

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

38538718854 is a wasteful number, since it uses less digits than its factorization.

38538718854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318164.

The product of its digits is 25804800, while the sum is 60.

The spelling of 38538718854 in words is "thirty-eight billion, five hundred thirty-eight million, seven hundred eighteen thousand, eight hundred fifty-four".