38762521992 has 24 divisors (see below), whose sum is σ = 104981830590. Its totient is φ = 12920840640.

The previous prime is 38762521991. The next prime is 38762521999. The reversal of 38762521992 is 29912526783.

38762521992 is a `hidden beast` number, since 3 + 8 + 7 + 625 + 2 + 1 + 9 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33420958596 + 5341563396 = 182814^2 + 73086^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×38762521992² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38762521991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269184109 + ... + 269184252.

Almost surely, 2^38762521992 is an apocalyptic number.

It is an amenable number.

38762521992 is an abundant number, since it is smaller than the sum of its proper divisors (66219308598).

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

38762521992 is a wasteful number, since it uses less digits than its factorization.

38762521992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538368373 (or 538368366 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 38762521992 in words is "thirty-eight billion, seven hundred sixty-two million, five hundred twenty-one thousand, nine hundred ninety-two".