320244331408 has 10 divisors (see below), whose sum is σ = 620473392134. Its totient is φ = 160122165696.

The previous prime is 320244331397. The next prime is 320244331457. The reversal of 320244331408 is 804133442023.

It can be written as a sum of positive squares in only one way, i.e., 189914667264 + 130329664144 = 435792^2 + 361012^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007635341 + ... + 10007635372.

Almost surely, 2^320244331408 is an apocalyptic number.

It is an amenable number.

320244331408 is a deficient number, since it is larger than the sum of its proper divisors (300229060726).

320244331408 is a wasteful number, since it uses less digits than its factorization.

320244331408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20015270721 (or 20015270715 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 320244331408 in words is "three hundred twenty billion, two hundred forty-four million, three hundred thirty-one thousand, four hundred eight".