38197289256 has 64 divisors (see below), whose sum is σ = 115554833280. Its totient is φ = 10271539200.

The previous prime is 38197289243. The next prime is 38197289257. The reversal of 38197289256 is 65298279183.

It is a self number, because there is not a number n which added to its sum of digits gives 38197289256.

It is not an unprimeable number, because it can be changed into a prime (38197289257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6684345 + ... + 6690056.

It is an arithmetic number, because the mean of its divisors is an integer number (1805544270).

Almost surely, 2^38197289256 is an apocalyptic number.

It is an amenable number.

38197289256 is an abundant number, since it is smaller than the sum of its proper divisors (77357544024).

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

38197289256 is a wasteful number, since it uses less digits than its factorization.

38197289256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13374434 (or 13374430 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The spelling of 38197289256 in words is "thirty-eight billion, one hundred ninety-seven million, two hundred eighty-nine thousand, two hundred fifty-six".