320240564834 has 32 divisors (see below), whose sum is σ = 489384621936. Its totient is φ = 157145333760.

The previous prime is 320240564767. The next prime is 320240564851. The reversal of 320240564834 is 438465042023.

It can be written as a sum of positive squares in 8 ways, for example, as 5154809209 + 315085755625 = 71797^2 + 561325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320240564791 and 320240564800.

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, 11855624 + ... + 11882604.

Almost surely, 2^320240564834 is an apocalyptic number.

320240564834 is a deficient number, since it is larger than the sum of its proper divisors (169144057102).

320240564834 is a wasteful number, since it uses less digits than its factorization.

320240564834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27590.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 320240564834 in words is "three hundred twenty billion, two hundred forty million, five hundred sixty-four thousand, eight hundred thirty-four".