404044404 has 48 divisors (see below), whose sum is σ = 991592448. Its totient is φ = 127800288.

The previous prime is 404044393. The next prime is 404044409. The reversal of 404044404 is 404440404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404044409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29289 + ... + 40815.

It is an arithmetic number, because the mean of its divisors is an integer number (20658176).

Almost surely, 2^404044404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404044404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495796224).

404044404 is an abundant number, since it is smaller than the sum of its proper divisors (587548044).

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

404044404 is a wasteful number, since it uses less digits than its factorization.

404044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684 (or 11682 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 404044404 is about 20100.8558026767. The cubic root of 404044404 is about 739.2812622077.

Adding to 404044404 its reverse (404440404), we get a palindrome (808484808).

The spelling of 404044404 in words is "four hundred four million, forty-four thousand, four hundred four".