39570399696 has 20 divisors (see below), whose sum is σ = 102223532672. Its totient is φ = 13190133216.

The previous prime is 39570399691. The next prime is 39570399709. The reversal of 39570399696 is 69699307593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39570399691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412191616 + ... + 412191711.

Almost surely, 2^39570399696 is an apocalyptic number.

It is an amenable number.

39570399696 is an abundant number, since it is smaller than the sum of its proper divisors (62653132976).

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

39570399696 is a wasteful number, since it uses less digits than its factorization.

39570399696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824383338 (or 824383332 counting only the distinct ones).

The product of its (nonzero) digits is 74401740, while the sum is 66.

The spelling of 39570399696 in words is "thirty-nine billion, five hundred seventy million, three hundred ninety-nine thousand, six hundred ninety-six".