38856840554 has 12 divisors (see below), whose sum is σ = 67801221954. Its totient is φ = 16652931624.

The previous prime is 38856840553. The next prime is 38856840557. The reversal of 38856840554 is 45504865883.

It can be written as a sum of positive squares in only one way, i.e., 33443265625 + 5413574929 = 182875^2 + 73577^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38856840554.

It is not an unprimeable number, because it can be changed into a prime (38856840553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198249089 + ... + 198249284.

Almost surely, 2^38856840554 is an apocalyptic number.

38856840554 is a deficient number, since it is larger than the sum of its proper divisors (28944381400).

38856840554 is a wasteful number, since it uses less digits than its factorization.

38856840554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396498389 (or 396498382 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 38856840554 in words is "thirty-eight billion, eight hundred fifty-six million, eight hundred forty thousand, five hundred fifty-four".