39599897242 has 16 divisors (see below), whose sum is σ = 64682229600. Its totient is φ = 18111023280.

The previous prime is 39599897231. The next prime is 39599897251. The reversal of 39599897242 is 24279899593.

39599897242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17966184 + ... + 17968387.

It is an arithmetic number, because the mean of its divisors is an integer number (4042639350).

Almost surely, 2^39599897242 is an apocalyptic number.

39599897242 is a deficient number, since it is larger than the sum of its proper divisors (25082332358).

39599897242 is a wasteful number, since it uses less digits than its factorization.

39599897242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35934621.

The product of its digits is 88179840, while the sum is 67.

The spelling of 39599897242 in words is "thirty-nine billion, five hundred ninety-nine million, eight hundred ninety-seven thousand, two hundred forty-two".