404300442321 has 24 divisors (see below), whose sum is σ = 589878433664. Its totient is φ = 266828346720.

The previous prime is 404300442319. The next prime is 404300442347. The reversal of 404300442321 is 123244003404.

It is a happy number.

It is not a de Polignac number, because 404300442321 - 2¹ = 404300442319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404300442121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144991 + ... + 910836.

Almost surely, 2^404300442321 is an apocalyptic number.

It is an amenable number.

404300442321 is a deficient number, since it is larger than the sum of its proper divisors (185577991343).

404300442321 is a wasteful number, since it uses less digits than its factorization.

404300442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056261 (or 1056258 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 404300442321 its reverse (123244003404), we get a palindrome (527544445725).

The spelling of 404300442321 in words is "four hundred four billion, three hundred million, four hundred forty-two thousand, three hundred twenty-one".