1044005404 has 12 divisors (see below), whose sum is σ = 1967548744. Its totient is φ = 481848624.

The previous prime is 1044005399. The next prime is 1044005429. The reversal of 1044005404 is 4045004401.

It is a congruent number.

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, 10038462 + ... + 10038565.

Almost surely, 2^1044005404 is an apocalyptic number.

It is an amenable number.

1044005404 is a deficient number, since it is larger than the sum of its proper divisors (923543340).

1044005404 is a wasteful number, since it uses less digits than its factorization.

1044005404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20077044 (or 20077042 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1044005404 is about 32311.0724674994. The cubic root of 1044005404 is about 1014.4584147528.

Adding to 1044005404 its reverse (4045004401), we get a palindrome (5089009805).

The spelling of 1044005404 in words is "one billion, forty-four million, five thousand, four hundred four".