320322434188 has 96 divisors (see below), whose sum is σ = 614271651840. Its totient is φ = 145704894720.

The previous prime is 320322434161. The next prime is 320322434207. The reversal of 320322434188 is 881434223023.

It is a self number, because there is not a number n which added to its sum of digits gives 320322434188.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46629618 + ... + 46636486.

It is an arithmetic number, because the mean of its divisors is an integer number (6398663040).

Almost surely, 2^320322434188 is an apocalyptic number.

It is an amenable number.

320322434188 is a deficient number, since it is larger than the sum of its proper divisors (293949217652).

320322434188 is a wasteful number, since it uses less digits than its factorization.

320322434188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207 (or 7205 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 320322434188 in words is "three hundred twenty billion, three hundred twenty-two million, four hundred thirty-four thousand, one hundred eighty-eight".