404442402204 has 12 divisors (see below), whose sum is σ = 943698938504. Its totient is φ = 134814134064.

The previous prime is 404442402191. The next prime is 404442402209. The reversal of 404442402204 is 402204244404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404442402209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16851766747 + ... + 16851766770.

Almost surely, 2^404442402204 is an apocalyptic number.

It is an amenable number.

404442402204 is an abundant number, since it is smaller than the sum of its proper divisors (539256536300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404442402204 is a wasteful number, since it uses less digits than its factorization.

404442402204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703533524 (or 33703533522 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 404442402204 its reverse (402204244404), we get a palindrome (806646646608).

The spelling of 404442402204 in words is "four hundred four billion, four hundred forty-two million, four hundred two thousand, two hundred four".