404444004044 has 24 divisors (see below), whose sum is σ = 709465226400. Its totient is φ = 201739797504.

The previous prime is 404444004037. The next prime is 404444004071. The reversal of 404444004044 is 440400444404.

It is a self number, because there is not a number n which added to its sum of digits gives 404444004044.

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, 14826722 + ... + 14853974.

It is an arithmetic number, because the mean of its divisors is an integer number (29561051100).

Almost surely, 2^404444004044 is an apocalyptic number.

It is an amenable number.

404444004044 is a deficient number, since it is larger than the sum of its proper divisors (305021222356).

404444004044 is a wasteful number, since it uses less digits than its factorization.

404444004044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35969 (or 35967 counting only the distinct ones).

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

Adding to 404444004044 its reverse (440400444404), we get a palindrome (844844448448).

The spelling of 404444004044 in words is "four hundred four billion, four hundred forty-four million, four thousand, forty-four".