44243657 has 4 divisors (see below), whose sum is σ = 44298240. Its totient is φ = 44189076.

The previous prime is 44243653. The next prime is 44243669. The reversal of 44243657 is 75634244.

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 a cyclic number.

It is not a de Polignac number, because 44243657 - 2² = 44243653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44243653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26057 + ... + 27702.

It is an arithmetic number, because the mean of its divisors is an integer number (11074560).

Almost surely, 2^44243657 is an apocalyptic number.

It is an amenable number.

44243657 is a deficient number, since it is larger than the sum of its proper divisors (54583).

44243657 is an equidigital number, since it uses as much as digits as its factorization.

44243657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54582.

The product of its digits is 80640, while the sum is 35.

The square root of 44243657 is about 6651.5905616627. The cubic root of 44243657 is about 353.6852965104.

The spelling of 44243657 in words is "forty-four million, two hundred forty-three thousand, six hundred fifty-seven".