404324000321 has 4 divisors (see below), whose sum is σ = 406376406612. Its totient is φ = 402271594032.

The previous prime is 404324000287. The next prime is 404324000363. The reversal of 404324000321 is 123000423404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 245856313921 + 158467686400 = 495839^2 + 398080^2 .

It is a cyclic number.

It is not a de Polignac number, because 404324000321 - 2²⁶ = 404256891457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404324000371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026202850 + ... + 1026203243.

It is an arithmetic number, because the mean of its divisors is an integer number (101594101653).

Almost surely, 2^404324000321 is an apocalyptic number.

It is an amenable number.

404324000321 is a deficient number, since it is larger than the sum of its proper divisors (2052406291).

404324000321 is a wasteful number, since it uses less digits than its factorization.

404324000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052406290.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 404324000321 its reverse (123000423404), we get a palindrome (527324423725).

The spelling of 404324000321 in words is "four hundred four billion, three hundred twenty-four million, three hundred twenty-one", and thus it is an aban number.