38311732368 has 240 divisors, whose sum is σ = 133007486976. Its totient is φ = 10024197120.

The previous prime is 38311732363. The next prime is 38311732369. The reversal of 38311732368 is 86323711383.

38311732368 is a `hidden beast` number, since 3 + 8 + 311 + 7 + 323 + 6 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (38311732363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1652698 + ... + 1675718.

Almost surely, 2^38311732368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38311732368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66503743488).

38311732368 is an abundant number, since it is smaller than the sum of its proper divisors (94695754608).

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

38311732368 is a wasteful number, since it uses less digits than its factorization.

38311732368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23182 (or 23173 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 38311732368 in words is "thirty-eight billion, three hundred eleven million, seven hundred thirty-two thousand, three hundred sixty-eight".