39975570404 has 96 divisors (see below), whose sum is σ = 89484358656. Its totient is φ = 15172375680.

The previous prime is 39975570367. The next prime is 39975570421. The reversal of 39975570404 is 40407557993.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5254067 + ... + 5261669.

It is an arithmetic number, because the mean of its divisors is an integer number (932128736).

Almost surely, 2^39975570404 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 39975570404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44742179328).

39975570404 is an abundant number, since it is smaller than the sum of its proper divisors (49508788252).

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

39975570404 is a wasteful number, since it uses less digits than its factorization.

39975570404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065 (or 8063 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 39975570404 in words is "thirty-nine billion, nine hundred seventy-five million, five hundred seventy thousand, four hundred four".