404044044444 has 36 divisors (see below), whose sum is σ = 1081412002944. Its totient is φ = 126758915712.

The previous prime is 404044044413. The next prime is 404044044449. The reversal of 404044044444 is 444440440404.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 404044044399 and 404044044408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404044044449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330100732 + ... + 330101955.

It is an arithmetic number, because the mean of its divisors is an integer number (30039222304).

Almost surely, 2^404044044444 is an apocalyptic number.

It is an amenable number.

404044044444 is an abundant number, since it is smaller than the sum of its proper divisors (677367958500).

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

404044044444 is a wasteful number, since it uses less digits than its factorization.

404044044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660202714 (or 660202709 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 404044044444 its reverse (444440440404), we get a palindrome (848484484848).

The spelling of 404044044444 in words is "four hundred four billion, forty-four million, forty-four thousand, four hundred forty-four".