404313004221 has 16 divisors (see below), whose sum is σ = 616713988224. Its totient is φ = 230804259264.

The previous prime is 404313004213. The next prime is 404313004243. The reversal of 404313004221 is 122400313404.

It is not a de Polignac number, because 404313004221 - 2³ = 404313004213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404313004191 and 404313004200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404313004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9634530 + ... + 9676403.

It is an arithmetic number, because the mean of its divisors is an integer number (38544624264).

Almost surely, 2^404313004221 is an apocalyptic number.

It is an amenable number.

404313004221 is a deficient number, since it is larger than the sum of its proper divisors (212400984003).

404313004221 is a wasteful number, since it uses less digits than its factorization.

404313004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19311940.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 404313004221 its reverse (122400313404), we get a palindrome (526713317625).

The spelling of 404313004221 in words is "four hundred four billion, three hundred thirteen million, four thousand, two hundred twenty-one".