320436874404 has 36 divisors (see below), whose sum is σ = 818343664684. Its totient is φ = 105711132672.

The previous prime is 320436874399. The next prime is 320436874411. The reversal of 320436874404 is 404478634023.

320436874404 is a `hidden beast` number, since 3 + 204 + 36 + 8 + 7 + 4 + 404 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 161642594304 + 158794280100 = 402048^2 + 398490^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 320436874404.

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, 45878077 + ... + 45885060.

Almost surely, 2^320436874404 is an apocalyptic number.

It is an amenable number.

320436874404 is an abundant number, since it is smaller than the sum of its proper divisors (497906790280).

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

320436874404 is a wasteful number, since it uses less digits than its factorization.

320436874404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91763244 (or 91763239 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 45.

The spelling of 320436874404 in words is "three hundred twenty billion, four hundred thirty-six million, eight hundred seventy-four thousand, four hundred four".