39800925522 has 54 divisors (see below), whose sum is σ = 87831930693. Its totient is φ = 13025747184.

The previous prime is 39800925499. The next prime is 39800925523. The reversal of 39800925522 is 22552900893.

39800925522 is a `hidden beast` number, since 3 + 9 + 8 + 0 + 0 + 92 + 552 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39791871441 + 9054081 = 199479^2 + 3009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=141069.

It is a super-2 number, since 2×39800925522² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39800925523) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 49938028 + ... + 49938824.

Almost surely, 2^39800925522 is an apocalyptic number.

39800925522 is an abundant number, since it is smaller than the sum of its proper divisors (48031005171).

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

39800925522 is an frugal number, since it uses more digits than its factorization.

39800925522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 39800925522 in words is "thirty-nine billion, eight hundred million, nine hundred twenty-five thousand, five hundred twenty-two".