440044404 has 24 divisors (see below), whose sum is σ = 1054521888. Its totient is φ = 142716960.

The previous prime is 440044379. The next prime is 440044433. The reversal of 440044404 is 404440044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495102 + ... + 495989.

It is an arithmetic number, because the mean of its divisors is an integer number (43938412).

Almost surely, 2^440044404 is an apocalyptic number.

It is an amenable number.

440044404 is an abundant number, since it is smaller than the sum of its proper divisors (614477484).

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

440044404 is a wasteful number, since it uses less digits than its factorization.

440044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991135 (or 991133 counting only the distinct ones).

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

The square root of 440044404 is about 20977.2353755208. The cubic root of 440044404 is about 760.6160770948.

Adding to 440044404 its reverse (404440044), we get a palindrome (844484448).

The spelling of 440044404 in words is "four hundred forty million, forty-four thousand, four hundred four".