404444004 has 24 divisors (see below), whose sum is σ = 944186880. Its totient is φ = 134745504.

The previous prime is 404443981. The next prime is 404444021. The reversal of 404444004 is 400444404.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19342 + ... + 34394.

It is an arithmetic number, because the mean of its divisors is an integer number (39341120).

Almost surely, 2^404444004 is an apocalyptic number.

It is an amenable number.

404444004 is an abundant number, since it is smaller than the sum of its proper divisors (539742876).

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

404444004 is a wasteful number, since it uses less digits than its factorization.

404444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17299 (or 17297 counting only the distinct ones).

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

The square root of 404444004 is about 20110.7932215515. The cubic root of 404444004 is about 739.5248983475.

Adding to 404444004 its reverse (400444404), we get a palindrome (804888408).

It can be divided in two parts, 40444400 and 4, that added together give a palindrome (40444404).

The spelling of 404444004 in words is "four hundred four million, four hundred forty-four thousand, four".