321044309990 has 16 divisors (see below), whose sum is σ = 578188653120. Its totient is φ = 128349080640.

The previous prime is 321044309981. The next prime is 321044310001. The reversal of 321044309990 is 99903440123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8560775 + ... + 8598194.

It is an arithmetic number, because the mean of its divisors is an integer number (36136790820).

Almost surely, 2^321044309990 is an apocalyptic number.

321044309990 is a deficient number, since it is larger than the sum of its proper divisors (257144343130).

321044309990 is a wasteful number, since it uses less digits than its factorization.

321044309990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17160847.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 321044309990 in words is "three hundred twenty-one billion, forty-four million, three hundred nine thousand, nine hundred ninety".