1006005044 has 12 divisors (see below), whose sum is σ = 1920555168. Its totient is φ = 457275000.

The previous prime is 1006005037. The next prime is 1006005071. The reversal of 1006005044 is 4405006001.

It is a happy number.

It is a super-2 number, since 2×1006005044² = 2024092297106883872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11431832 + ... + 11431919.

It is an arithmetic number, because the mean of its divisors is an integer number (160046264).

Almost surely, 2^1006005044 is an apocalyptic number.

It is an amenable number.

1006005044 is a deficient number, since it is larger than the sum of its proper divisors (914550124).

1006005044 is a wasteful number, since it uses less digits than its factorization.

1006005044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22863766 (or 22863764 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1006005044 is about 31717.5825686637. The cubic root of 1006005044 is about 1001.9976879189.

The spelling of 1006005044 in words is "one billion, six million, five thousand, forty-four".