44678809 has 8 divisors (see below), whose sum is σ = 51781248. Its totient is φ = 37756320.

The previous prime is 44678797. The next prime is 44678827. The reversal of 44678809 is 90887644.

It is a happy number.

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

It is not a de Polignac number, because 44678809 - 2⁷ = 44678681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44672809) 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, 44452 + ... + 45445.

It is an arithmetic number, because the mean of its divisors is an integer number (6472656).

Almost surely, 2^44678809 is an apocalyptic number.

It is an amenable number.

44678809 is a deficient number, since it is larger than the sum of its proper divisors (7102439).

44678809 is an equidigital number, since it uses as much as digits as its factorization.

44678809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89975.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 44678809 is about 6684.2208970081. The cubic root of 44678809 is about 354.8410556069.

The spelling of 44678809 in words is "forty-four million, six hundred seventy-eight thousand, eight hundred nine".