320079395464 has 48 divisors (see below), whose sum is σ = 617051528100. Its totient is φ = 155652703488.

The previous prime is 320079395437. The next prime is 320079395473. The reversal of 320079395464 is 464593970023.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 242763144100 + 77316251364 = 492710^2 + 278058^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40879902 + ... + 40887730.

Almost surely, 2^320079395464 is an apocalyptic number.

It is an amenable number.

320079395464 is a deficient number, since it is larger than the sum of its proper divisors (296972132636).

320079395464 is a wasteful number, since it uses less digits than its factorization.

320079395464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642 (or 11601 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 320079395464 in words is "three hundred twenty billion, seventy-nine million, three hundred ninety-five thousand, four hundred sixty-four".