321445116426 has 32 divisors (see below), whose sum is σ = 745080035328. Its totient is φ = 90547919280.

The previous prime is 321445116401. The next prime is 321445116449. The reversal of 321445116426 is 624611544123.

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, 53894590 + ... + 53900553.

It is an arithmetic number, because the mean of its divisors is an integer number (23283751104).

Almost surely, 2^321445116426 is an apocalyptic number.

321445116426 is an abundant number, since it is smaller than the sum of its proper divisors (423634918902).

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

321445116426 is a wasteful number, since it uses less digits than its factorization.

321445116426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107795226.

The product of its digits is 138240, while the sum is 39.

The spelling of 321445116426 in words is "three hundred twenty-one billion, four hundred forty-five million, one hundred sixteen thousand, four hundred twenty-six".