404400444044 has 6 divisors (see below), whose sum is σ = 707700777084. Its totient is φ = 202200222020.

The previous prime is 404400444037. The next prime is 404400444059. The reversal of 404400444044 is 440444004404.

It is a self number, because there is not a number n which added to its sum of digits gives 404400444044.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550055502 + ... + 50550055509.

It is an arithmetic number, because the mean of its divisors is an integer number (117950129514).

Almost surely, 2^404400444044 is an apocalyptic number.

It is an amenable number.

404400444044 is a deficient number, since it is larger than the sum of its proper divisors (303300333040).

404400444044 is a wasteful number, since it uses less digits than its factorization.

404400444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101100111015 (or 101100111013 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 404400444044 its reverse (440444004404), we get a palindrome (844844448448).

The spelling of 404400444044 in words is "four hundred four billion, four hundred million, four hundred forty-four thousand, forty-four".