320604495218 has 24 divisors (see below), whose sum is σ = 592329316572. Its totient is φ = 129319459584.

The previous prime is 320604495203. The next prime is 320604495223. The reversal of 320604495218 is 812594406023.

It can be written as a sum of positive squares in 2 ways, for example, as 314156887009 + 6447608209 = 560497^2 + 80297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96218171 + ... + 96221502.

Almost surely, 2^320604495218 is an apocalyptic number.

320604495218 is a deficient number, since it is larger than the sum of its proper divisors (271724821354).

320604495218 is a wasteful number, since it uses less digits than its factorization.

320604495218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192439706 (or 192439699 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 320604495218 in words is "three hundred twenty billion, six hundred four million, four hundred ninety-five thousand, two hundred eighteen".