44240009 has 8 divisors (see below), whose sum is σ = 48444480. Its totient is φ = 40066000.

The previous prime is 44240003. The next prime is 44240011. The reversal of 44240009 is 90004244.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44240009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44240003) 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, 4517 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (6055560).

Almost surely, 2^44240009 is an apocalyptic number.

It is an amenable number.

44240009 is a deficient number, since it is larger than the sum of its proper divisors (4204471).

44240009 is a wasteful number, since it uses less digits than its factorization.

44240009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15231.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 44240009 is about 6651.3163358842. The cubic root of 44240009 is about 353.6755754980.

The spelling of 44240009 in words is "forty-four million, two hundred forty thousand, nine".