404440004404 has 24 divisors (see below), whose sum is σ = 714337565480. Its totient is φ = 200343943296.

The previous prime is 404440004401. The next prime is 404440004413. The reversal of 404440004404 is 404400044404.

It can be written as a sum of positive squares in 4 ways, for example, as 33039504 + 404406964900 = 5748^2 + 635930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404440004401) 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, 4682134 + ... + 4767730.

Almost surely, 2^404440004404 is an apocalyptic number.

It is an amenable number.

404440004404 is a deficient number, since it is larger than the sum of its proper divisors (309897561076).

404440004404 is a wasteful number, since it uses less digits than its factorization.

404440004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96547 (or 96545 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 404440004404 its reverse (404400044404), we get a palindrome (808840048808).

The spelling of 404440004404 in words is "four hundred four billion, four hundred forty million, four thousand, four hundred four".