404444005 has 16 divisors (see below), whose sum is σ = 573793920. Its totient is φ = 267769152.

The previous prime is 404443981. The next prime is 404444021. The reversal of 404444005 is 500444404.

It is not a de Polignac number, because 404444005 - 2⁵ = 404443973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198219 + ... + 200248.

It is an arithmetic number, because the mean of its divisors is an integer number (35862120).

Almost surely, 2^404444005 is an apocalyptic number.

It is an amenable number.

404444005 is a deficient number, since it is larger than the sum of its proper divisors (169349915).

404444005 is a wasteful number, since it uses less digits than its factorization.

404444005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398508.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 404444005 is about 20110.7932464137. The cubic root of 404444005 is about 739.5248989570.

Adding to 404444005 its reverse (500444404), we get a palindrome (904888409).

The spelling of 404444005 in words is "four hundred four million, four hundred forty-four thousand, five".