38856397584 has 40 divisors (see below), whose sum is σ = 100456581280. Its totient is φ = 12942125568.

The previous prime is 38856397529. The next prime is 38856397607. The reversal of 38856397584 is 48579365883.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249814 + ... + 374325.

It is an arithmetic number, because the mean of its divisors is an integer number (2511414532).

Almost surely, 2^38856397584 is an apocalyptic number.

It is an amenable number.

38856397584 is an abundant number, since it is smaller than the sum of its proper divisors (61600183696).

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

38856397584 is a wasteful number, since it uses less digits than its factorization.

38856397584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625447 (or 625441 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 66.

The spelling of 38856397584 in words is "thirty-eight billion, eight hundred fifty-six million, three hundred ninety-seven thousand, five hundred eighty-four".