1004044412 has 48 divisors (see below), whose sum is σ = 2146959360. Its totient is φ = 401041152.

The previous prime is 1004044357. The next prime is 1004044499. The reversal of 1004044412 is 2144404001.

It is a happy number.

1004044412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38789 + ... + 59267.

It is an arithmetic number, because the mean of its divisors is an integer number (44728320).

Almost surely, 2^1004044412 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 1004044412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073479680).

1004044412 is an abundant number, since it is smaller than the sum of its proper divisors (1142914948).

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

1004044412 is a wasteful number, since it uses less digits than its factorization.

1004044412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610 (or 20608 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1004044412 is about 31686.6598429055. The cubic root of 1004044412 is about 1001.3463239318.

Adding to 1004044412 its reverse (2144404001), we get a palindrome (3148448413).

The spelling of 1004044412 in words is "one billion, four million, forty-four thousand, four hundred twelve".