321413326444 has 24 divisors (see below), whose sum is σ = 643008389408. Its totient is φ = 137709624960.

The previous prime is 321413326387. The next prime is 321413326447. The reversal of 321413326444 is 444623314123.

It is not an unprimeable number, because it can be changed into a prime (321413326447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521729 + ... + 1720024.

Almost surely, 2^321413326444 is an apocalyptic number.

It is an amenable number.

321413326444 is an abundant number, since it is smaller than the sum of its proper divisors (321595062964).

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

321413326444 is a wasteful number, since it uses less digits than its factorization.

321413326444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245305 (or 3245303 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

The spelling of 321413326444 in words is "three hundred twenty-one billion, four hundred thirteen million, three hundred twenty-six thousand, four hundred forty-four".