320658403442 has 16 divisors (see below), whose sum is σ = 548456455512. Its totient is φ = 139290528000.

The previous prime is 320658403427. The next prime is 320658403451. The reversal of 320658403442 is 244304856023.

It can be written as a sum of positive squares in 4 ways, for example, as 317127785881 + 3530617561 = 563141^2 + 59419^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320658403442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362735309 + ... + 362736192.

Almost surely, 2^320658403442 is an apocalyptic number.

320658403442 is a deficient number, since it is larger than the sum of its proper divisors (227798052070).

320658403442 is a wasteful number, since it uses less digits than its factorization.

320658403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725471533.

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

The spelling of 320658403442 in words is "three hundred twenty billion, six hundred fifty-eight million, four hundred three thousand, four hundred forty-two".