38122312356 has 18 divisors (see below), whose sum is σ = 96364734102. Its totient is φ = 12707437440.

The previous prime is 38122312321. The next prime is 38122312387. The reversal of 38122312356 is 65321322183.

38122312356 is a `hidden beast` number, since 3 + 81 + 223 + 1 + 2 + 356 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33797145600 + 4325166756 = 183840^2 + 65766^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1058953121 = 38122312356 / (3 + 8 + 1 + 2 + 2 + 3 + 1 + 2 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 38122312356.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529476525 + ... + 529476596.

It is an arithmetic number, because the mean of its divisors is an integer number (5353596339).

Almost surely, 2^38122312356 is an apocalyptic number.

38122312356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38122312356 is an abundant number, since it is smaller than the sum of its proper divisors (58242421746).

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

38122312356 is a wasteful number, since it uses less digits than its factorization.

38122312356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058953131 (or 1058953126 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 38122312356 in words is "thirty-eight billion, one hundred twenty-two million, three hundred twelve thousand, three hundred fifty-six".