320304379858 has 8 divisors (see below), whose sum is σ = 480580506252. Its totient is φ = 160110877776.

The previous prime is 320304379849. The next prime is 320304379861. The reversal of 320304379858 is 858973403023.

It can be written as a sum of positive squares in 2 ways, for example, as 309684459049 + 10619920809 = 556493^2 + 103053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×320304379858² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20646385 + ... + 20661892.

Almost surely, 2^320304379858 is an apocalyptic number.

320304379858 is a deficient number, since it is larger than the sum of its proper divisors (160276126394).

320304379858 is a wasteful number, since it uses less digits than its factorization.

320304379858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41312156.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 320304379858 in words is "three hundred twenty billion, three hundred four million, three hundred seventy-nine thousand, eight hundred fifty-eight".