309601640204 has 24 divisors (see below), whose sum is σ = 561299507328. Its totient is φ = 149266408320.

The previous prime is 309601640167. The next prime is 309601640273. The reversal of 309601640204 is 402046106903.

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, 4472489 + ... + 4541184.

It is an arithmetic number, because the mean of its divisors is an integer number (23387479472).

Almost surely, 2^309601640204 is an apocalyptic number.

It is an amenable number.

309601640204 is a deficient number, since it is larger than the sum of its proper divisors (251697867124).

309601640204 is a wasteful number, since it uses less digits than its factorization.

309601640204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013985 (or 9013983 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 309601640204 in words is "three hundred nine billion, six hundred one million, six hundred forty thousand, two hundred four".