39591660552 has 32 divisors (see below), whose sum is σ = 104188581600. Its totient is φ = 12502629504.

The previous prime is 39591660541. The next prime is 39591660557. The reversal of 39591660552 is 25506619593.

It is a junction number, because it is equal to n+sod(n) for n = 39591660495 and 39591660504.

It is not an unprimeable number, because it can be changed into a prime (39591660557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43411453 + ... + 43412364.

It is an arithmetic number, because the mean of its divisors is an integer number (3255893175).

Almost surely, 2^39591660552 is an apocalyptic number.

It is an amenable number.

39591660552 is an abundant number, since it is smaller than the sum of its proper divisors (64596921048).

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

39591660552 is a wasteful number, since it uses less digits than its factorization.

39591660552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86823845 (or 86823841 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 51.

The spelling of 39591660552 in words is "thirty-nine billion, five hundred ninety-one million, six hundred sixty thousand, five hundred fifty-two".