38918056554 has 80 divisors (see below), whose sum is σ = 98856283680. Its totient is φ = 11344523040.

The previous prime is 38918056553. The next prime is 38918056561. The reversal of 38918056554 is 45565081983.

38918056554 is a `hidden beast` number, since 3 + 8 + 9 + 1 + 80 + 5 + 6 + 554 = 666.

38918056554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 38918056554.

It is not an unprimeable number, because it can be changed into a prime (38918056553) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 446292 + ... + 526319.

It is an arithmetic number, because the mean of its divisors is an integer number (1235703546).

Almost surely, 2^38918056554 is an apocalyptic number.

38918056554 is an abundant number, since it is smaller than the sum of its proper divisors (59938227126).

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

38918056554 is a wasteful number, since it uses less digits than its factorization.

38918056554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972657 (or 972648 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 38918056554 in words is "thirty-eight billion, nine hundred eighteen million, fifty-six thousand, five hundred fifty-four".