38777481731344 has 20 divisors (see below), whose sum is σ = 75218834642320. Its totient is φ = 19366169565600.

The previous prime is 38777481731323. The next prime is 38777481731389. The reversal of 38777481731344 is 44313718477783.

It is a self number, because there is not a number n which added to its sum of digits gives 38777481731344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410692082 + ... + 1410719569.

It is an arithmetic number, because the mean of its divisors is an integer number (3760941732116).

Almost surely, 2^{38777481731344} is an apocalyptic number.

It is an amenable number.

38777481731344 is a deficient number, since it is larger than the sum of its proper divisors (36441352910976).

38777481731344 is a wasteful number, since it uses less digits than its factorization.

38777481731344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821412518 (or 2821412512 counting only the distinct ones).

The product of its digits is 265531392, while the sum is 67.

The spelling of 38777481731344 in words is "thirty-eight trillion, seven hundred seventy-seven billion, four hundred eighty-one million, seven hundred thirty-one thousand, three hundred forty-four".