44890809 has 8 divisors (see below), whose sum is σ = 59998272. Its totient is φ = 29855280.

The previous prime is 44890793. The next prime is 44890819. The reversal of 44890809 is 90809844.

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

It is not a de Polignac number, because 44890809 - 2⁴ = 44890793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44890819) 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, 16509 + ... + 19034.

It is an arithmetic number, because the mean of its divisors is an integer number (7499784).

Almost surely, 2^44890809 is an apocalyptic number.

It is an amenable number.

44890809 is a deficient number, since it is larger than the sum of its proper divisors (15107463).

44890809 is a wasteful number, since it uses less digits than its factorization.

44890809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35967.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 44890809 is about 6700.0603728623. The cubic root of 44890809 is about 355.4014080105.

The spelling of 44890809 in words is "forty-four million, eight hundred ninety thousand, eight hundred nine".