1044006009 has 8 divisors (see below), whose sum is σ = 1399699392. Its totient is φ = 692158320.

The previous prime is 1044005999. The next prime is 1044006013. The reversal of 1044006009 is 9006004401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1044006009 - 2⁷ = 1044005881 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044006009.

It is not an unprimeable number, because it can be changed into a prime (1044006049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960789 + ... + 961874.

It is an arithmetic number, because the mean of its divisors is an integer number (174962424).

Almost surely, 2^1044006009 is an apocalyptic number.

It is an amenable number.

1044006009 is a deficient number, since it is larger than the sum of its proper divisors (355693383).

1044006009 is a wasteful number, since it uses less digits than its factorization.

1044006009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922847.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1044006009 is about 32311.0818296138. The cubic root of 1044006009 is about 1014.4586107119.

The spelling of 1044006009 in words is "one billion, forty-four million, six thousand, nine".