321044200404 has 24 divisors (see below), whose sum is σ = 749112443520. Its totient is φ = 107013403584.

The previous prime is 321044200403. The next prime is 321044200427. The reversal of 321044200404 is 404002440123.

It is a happy number.

It is a super-2 number, since 2×321044200404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321044200403) 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, 1540752 + ... + 1736664.

It is an arithmetic number, because the mean of its divisors is an integer number (31213018480).

Almost surely, 2^321044200404 is an apocalyptic number.

It is an amenable number.

321044200404 is an abundant number, since it is smaller than the sum of its proper divisors (428068243116).

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

321044200404 is a wasteful number, since it uses less digits than its factorization.

321044200404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332479 (or 332477 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 321044200404 its reverse (404002440123), we get a palindrome (725046640527).

The spelling of 321044200404 in words is "three hundred twenty-one billion, forty-four million, two hundred thousand, four hundred four".