1004443404 has 12 divisors (see below), whose sum is σ = 2343701304. Its totient is φ = 334814464.

The previous prime is 1004443399. The next prime is 1004443421. The reversal of 1004443404 is 4043444001.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41851797 + ... + 41851820.

It is an arithmetic number, because the mean of its divisors is an integer number (195308442).

Almost surely, 2^1004443404 is an apocalyptic number.

It is an amenable number.

1004443404 is an abundant number, since it is smaller than the sum of its proper divisors (1339257900).

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

1004443404 is a wasteful number, since it uses less digits than its factorization.

1004443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83703624 (or 83703622 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1004443404 is about 31692.9551162399. The cubic root of 1004443404 is about 1001.4789463062.

Adding to 1004443404 its reverse (4043444001), we get a palindrome (5047887405).

The spelling of 1004443404 in words is "one billion, four million, four hundred forty-three thousand, four hundred four".