320443570412 has 24 divisors (see below), whose sum is σ = 642605357856. Its totient is φ = 136964769408.

The previous prime is 320443570393. The next prime is 320443570441. The reversal of 320443570412 is 214075344023.

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, 15330593 + ... + 15351480.

It is an arithmetic number, because the mean of its divisors is an integer number (26775223244).

Almost surely, 2^320443570412 is an apocalyptic number.

It is an amenable number.

320443570412 is an abundant number, since it is smaller than the sum of its proper divisors (322161787444).

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

320443570412 is a wasteful number, since it uses less digits than its factorization.

320443570412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30682457 (or 30682455 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 320443570412 in words is "three hundred twenty billion, four hundred forty-three million, five hundred seventy thousand, four hundred twelve".