404000444 has 24 divisors (see below), whose sum is σ = 751288608. Its totient is φ = 189432320.

The previous prime is 404000423. The next prime is 404000449. The reversal of 404000444 is 444000404.

404000444 is a modest number, since divided by 444 gives 404 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404000449) 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 7 ways as a sum of consecutive naturals, for example, 8537 + ... + 29679.

It is an arithmetic number, because the mean of its divisors is an integer number (31303692).

Almost surely, 2^404000444 is an apocalyptic number.

It is an amenable number.

404000444 is a deficient number, since it is larger than the sum of its proper divisors (347288164).

404000444 is a wasteful number, since it uses less digits than its factorization.

404000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21445 (or 21443 counting only the distinct ones).

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

The square root of 404000444 is about 20099.7622871516. The cubic root of 404000444 is about 739.2544499872.

Adding to 404000444 its reverse (444000404), we get a palindrome (848000848).

The spelling of 404000444 in words is "four hundred four million, four hundred forty-four", and thus it is an aban number.