404033421404 has 12 divisors (see below), whose sum is σ = 744272092200. Its totient is φ = 191384252208.

The previous prime is 404033421383. The next prime is 404033421497. The reversal of 404033421404 is 404124330404.

It is a happy number.

It is a super-2 number, since 2×404033421404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658114539 + ... + 2658114690.

It is an arithmetic number, because the mean of its divisors is an integer number (62022674350).

Almost surely, 2^404033421404 is an apocalyptic number.

It is an amenable number.

404033421404 is a deficient number, since it is larger than the sum of its proper divisors (340238670796).

404033421404 is a wasteful number, since it uses less digits than its factorization.

404033421404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316229252 (or 5316229250 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 404033421404 its reverse (404124330404), we get a palindrome (808157751808).

The spelling of 404033421404 in words is "four hundred four billion, thirty-three million, four hundred twenty-one thousand, four hundred four".