44168641 has 4 divisors (see below), whose sum is σ = 48183984. Its totient is φ = 40153300.

The previous prime is 44168627. The next prime is 44168651. The reversal of 44168641 is 14686144.

44168641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44168641 - 2⁷ = 44168513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44168597 and 44168606.

It is not an unprimeable number, because it can be changed into a prime (44168651) 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 3 ways as a sum of consecutive naturals, for example, 2007655 + ... + 2007676.

It is an arithmetic number, because the mean of its divisors is an integer number (12045996).

Almost surely, 2^44168641 is an apocalyptic number.

It is an amenable number.

44168641 is a deficient number, since it is larger than the sum of its proper divisors (4015343).

44168641 is a wasteful number, since it uses less digits than its factorization.

44168641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015342.

The product of its digits is 18432, while the sum is 34.

The square root of 44168641 is about 6645.9492173805. The cubic root of 44168641 is about 353.4852899456.

The spelling of 44168641 in words is "forty-four million, one hundred sixty-eight thousand, six hundred forty-one".