44216809 has 8 divisors (see below), whose sum is σ = 54420800. Its totient is φ = 34984656.

The previous prime is 44216807. The next prime is 44216827. The reversal of 44216809 is 90861244.

44216809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44216809 - 2¹ = 44216807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44216803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242859 + ... + 243040.

It is an arithmetic number, because the mean of its divisors is an integer number (6802600).

Almost surely, 2^44216809 is an apocalyptic number.

It is an amenable number.

44216809 is a deficient number, since it is larger than the sum of its proper divisors (10203991).

44216809 is a wasteful number, since it uses less digits than its factorization.

44216809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485919.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 44216809 is about 6649.5720914958. The cubic root of 44216809 is about 353.6137407601.

The spelling of 44216809 in words is "forty-four million, two hundred sixteen thousand, eight hundred nine".