404444424244 has 24 divisors (see below), whose sum is σ = 808906246848. Its totient is φ = 173329596480.

The previous prime is 404444424239. The next prime is 404444424277. The reversal of 404444424244 is 442424444404.

It is a junction number, because it is equal to n+sod(n) for n = 404444424197 and 404444424206.

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, 1466907 + ... + 1720669.

It is an arithmetic number, because the mean of its divisors is an integer number (33704426952).

Almost surely, 2^404444424244 is an apocalyptic number.

It is an amenable number.

404444424244 is an abundant number, since it is smaller than the sum of its proper divisors (404461822604).

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

404444424244 is a wasteful number, since it uses less digits than its factorization.

404444424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310695 (or 310693 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 404444424244 its reverse (442424444404), we get a palindrome (846868868648).

The spelling of 404444424244 in words is "four hundred four billion, four hundred forty-four million, four hundred twenty-four thousand, two hundred forty-four".