1042044004 has 12 divisors (see below), whose sum is σ = 1834765744. Its totient is φ = 517825224.

The previous prime is 1042043953. The next prime is 1042044007. The reversal of 1042044004 is 4004402401.

It is not an unprimeable number, because it can be changed into a prime (1042044007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798462 + ... + 799765.

Almost surely, 2^1042044004 is an apocalyptic number.

It is an amenable number.

1042044004 is a deficient number, since it is larger than the sum of its proper divisors (792721740).

1042044004 is a wasteful number, since it uses less digits than its factorization.

1042044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598394 (or 1598392 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1042044004 is about 32280.7063739318. The cubic root of 1042044004 is about 1013.8227200524.

Adding to 1042044004 its reverse (4004402401), we get a palindrome (5046446405).

The spelling of 1042044004 in words is "one billion, forty-two million, forty-four thousand, four".