320312735604 has 24 divisors (see below), whose sum is σ = 830440425920. Its totient is φ = 106770911832.

The previous prime is 320312735573. The next prime is 320312735609. The reversal of 320312735604 is 406537213023.

320312735604 is a `hidden beast` number, since 3 + 2 + 0 + 3 + 12 + 7 + 35 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312735609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482929224 + ... + 1482929439.

Almost surely, 2^320312735604 is an apocalyptic number.

It is an amenable number.

320312735604 is an abundant number, since it is smaller than the sum of its proper divisors (510127690316).

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

320312735604 is a wasteful number, since it uses less digits than its factorization.

320312735604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965858676 (or 2965858668 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

Adding to 320312735604 its reverse (406537213023), we get a palindrome (726849948627).

The spelling of 320312735604 in words is "three hundred twenty billion, three hundred twelve million, seven hundred thirty-five thousand, six hundred four".