404440224444 has 48 divisors (see below), whose sum is σ = 1084705591200. Its totient is φ = 130164668928.

The previous prime is 404440224439. The next prime is 404440224467. The reversal of 404440224444 is 444422044404.

404440224444 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 402 + 244 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 404440224399 and 404440224408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64562677 + ... + 64568940.

It is an arithmetic number, because the mean of its divisors is an integer number (22598033150).

Almost surely, 2^404440224444 is an apocalyptic number.

It is an amenable number.

404440224444 is an abundant number, since it is smaller than the sum of its proper divisors (680265366756).

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

404440224444 is a wasteful number, since it uses less digits than its factorization.

404440224444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129131659 (or 129131651 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 404440224444 its reverse (444422044404), we get a palindrome (848862268848).

The spelling of 404440224444 in words is "four hundred four billion, four hundred forty million, two hundred twenty-four thousand, four hundred forty-four".