404444000 has 48 divisors (see below), whose sum is σ = 993728736. Its totient is φ = 161776000.

The previous prime is 404443981. The next prime is 404444021. The reversal of 404444000 is 444404.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 46556 + ... + 54555.

It is an arithmetic number, because the mean of its divisors is an integer number (20702682).

Almost surely, 2^404444000 is an apocalyptic number.

404444000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404444000 is an abundant number, since it is smaller than the sum of its proper divisors (589284736).

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

404444000 is a wasteful number, since it uses less digits than its factorization.

404444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101136 (or 101118 counting only the distinct ones).

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

The square root of 404444000 is about 20110.7931221024. The cubic root of 404444000 is about 739.5248959095.

Adding to 404444000 its reverse (444404), we get a palindrome (404888404).

It can be divided in two parts, 40444 and 4000, that added together give a palindrome (44444).

The spelling of 404444000 in words is "four hundred four million, four hundred forty-four thousand".