320560578348 has 48 divisors (see below), whose sum is σ = 759885409920. Its totient is φ = 105155132544.

The previous prime is 320560578313. The next prime is 320560578361. The reversal of 320560578348 is 843875065023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320560578348.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623640 + ... + 1014912.

It is an arithmetic number, because the mean of its divisors is an integer number (15830946040).

Almost surely, 2^320560578348 is an apocalyptic number.

It is an amenable number.

320560578348 is an abundant number, since it is smaller than the sum of its proper divisors (439324831572).

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

320560578348 is a wasteful number, since it uses less digits than its factorization.

320560578348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392366 (or 392364 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 320560578348 in words is "three hundred twenty billion, five hundred sixty million, five hundred seventy-eight thousand, three hundred forty-eight".