308233638928 has 20 divisors (see below), whose sum is σ = 604762205440. Its totient is φ = 152165973024.

The previous prime is 308233638913. The next prime is 308233639013. The reversal of 308233638928 is 829836332803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121926600 + ... + 121929127.

It is an arithmetic number, because the mean of its divisors is an integer number (30238110272).

Almost surely, 2^308233638928 is an apocalyptic number.

It is an amenable number.

308233638928 is a deficient number, since it is larger than the sum of its proper divisors (296528566512).

308233638928 is a wasteful number, since it uses less digits than its factorization.

308233638928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243855814 (or 243855808 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 308233638928 in words is "three hundred eight billion, two hundred thirty-three million, six hundred thirty-eight thousand, nine hundred twenty-eight".