404400044 has 6 divisors (see below), whose sum is σ = 707700084. Its totient is φ = 202200020.

The previous prime is 404400043. The next prime is 404400089. The reversal of 404400044 is 440004404.

It is a junction number, because it is equal to n+sod(n) for n = 404399989 and 404400025.

It is not an unprimeable number, because it can be changed into a prime (404400043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550002 + ... + 50550009.

It is an arithmetic number, because the mean of its divisors is an integer number (117950014).

Almost surely, 2^404400044 is an apocalyptic number.

It is an amenable number.

404400044 is a deficient number, since it is larger than the sum of its proper divisors (303300040).

404400044 is a wasteful number, since it uses less digits than its factorization.

404400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101100015 (or 101100013 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404400044 is about 20109.7002463985. The cubic root of 404400044 is about 739.4981037916.

Adding to 404400044 its reverse (440004404), we get a palindrome (844404448).

The spelling of 404400044 in words is "four hundred four million, four hundred thousand, forty-four".