404440000044 has 96 divisors (see below), whose sum is σ = 1020618762240. Its totient is φ = 124315285248.

The previous prime is 404440000033. The next prime is 404440000057. The reversal of 404440000044 is 440000044404.

It is a junction number, because it is equal to n+sod(n) for n = 404439999969 and 404440000023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931437 + ... + 1294779.

It is an arithmetic number, because the mean of its divisors is an integer number (10631445440).

Almost surely, 2^404440000044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404440000044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510309381120).

404440000044 is an abundant number, since it is smaller than the sum of its proper divisors (616178762196).

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

404440000044 is a wasteful number, since it uses less digits than its factorization.

404440000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363519 (or 363517 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404440000044 its reverse (440000044404), we get a palindrome (844440044448).

The spelling of 404440000044 in words is "four hundred four billion, four hundred forty million, forty-four", and thus it is an aban number.