320343580572 has 24 divisors (see below), whose sum is σ = 779966979456. Its totient is φ = 102138532848.

The previous prime is 320343580517. The next prime is 320343580589. The reversal of 320343580572 is 275085343023.

It is a super-2 number, since 2×320343580572² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580332298 + ... + 580332849.

It is an arithmetic number, because the mean of its divisors is an integer number (32498624144).

Almost surely, 2^320343580572 is an apocalyptic number.

It is an amenable number.

320343580572 is an abundant number, since it is smaller than the sum of its proper divisors (459623398884).

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

320343580572 is a wasteful number, since it uses less digits than its factorization.

320343580572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160665177 (or 1160665175 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 320343580572 in words is "three hundred twenty billion, three hundred forty-three million, five hundred eighty thousand, five hundred seventy-two".