44085209 has 8 divisors (see below), whose sum is σ = 51612288. Its totient is φ = 36865440.

The previous prime is 44085179. The next prime is 44085221. The reversal of 44085209 is 90258044.

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

It is a cyclic number.

It is not a de Polignac number, because 44085209 - 2¹² = 44081113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44085259) 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, 76517 + ... + 77090.

It is an arithmetic number, because the mean of its divisors is an integer number (6451536).

Almost surely, 2^44085209 is an apocalyptic number.

It is an amenable number.

44085209 is a deficient number, since it is larger than the sum of its proper divisors (7527079).

44085209 is a wasteful number, since it uses less digits than its factorization.

44085209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153655.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 44085209 is about 6639.6693441767. The cubic root of 44085209 is about 353.2625785898.

The spelling of 44085209 in words is "forty-four million, eighty-five thousand, two hundred nine".