321070044 has 12 divisors (see below), whose sum is σ = 749163464. Its totient is φ = 107023344.

The previous prime is 321070027. The next prime is 321070147. The reversal of 321070044 is 440070123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 321070044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13377907 + ... + 13377930.

Almost surely, 2^321070044 is an apocalyptic number.

It is an amenable number.

321070044 is an abundant number, since it is smaller than the sum of its proper divisors (428093420).

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

321070044 is a wasteful number, since it uses less digits than its factorization.

321070044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26755844 (or 26755842 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 321070044 is about 17918.4274979698. The cubic root of 321070044 is about 684.7519260832.

The spelling of 321070044 in words is "three hundred twenty-one million, seventy thousand, forty-four".