44168993 has 24 divisors (see below), whose sum is σ = 51710400. Its totient is φ = 37616480.

The previous prime is 44168989. The next prime is 44169007. The reversal of 44168993 is 39986144.

44168993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44168993 - 2² = 44168989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44168953) 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 23 ways as a sum of consecutive naturals, for example, 164063 + ... + 164331.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^44168993 is an apocalyptic number.

It is an amenable number.

44168993 is a deficient number, since it is larger than the sum of its proper divisors (7541407).

44168993 is a wasteful number, since it uses less digits than its factorization.

44168993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 362 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 44168993 is about 6645.9756996245. The cubic root of 44168993 is about 353.4862289715.

The spelling of 44168993 in words is "forty-four million, one hundred sixty-eight thousand, nine hundred ninety-three".