44041621 has 4 divisors (see below), whose sum is σ = 47429452. Its totient is φ = 40653792.

The previous prime is 44041609. The next prime is 44041661. The reversal of 44041621 is 12614044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 42315025 = 1314^2 + 6505^2 .

It is a cyclic number.

It is not a de Polignac number, because 44041621 - 2²⁵ = 10487189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44041592 and 44041601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44041661) 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, 1693896 + ... + 1693921.

It is an arithmetic number, because the mean of its divisors is an integer number (11857363).

Almost surely, 2^44041621 is an apocalyptic number.

It is an amenable number.

44041621 is a deficient number, since it is larger than the sum of its proper divisors (3387831).

44041621 is a wasteful number, since it uses less digits than its factorization.

44041621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387830.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 44041621 is about 6636.3861400615. The cubic root of 44041621 is about 353.1461140794.

Adding to 44041621 its reverse (12614044), we get a palindrome (56655665).

The spelling of 44041621 in words is "forty-four million, forty-one thousand, six hundred twenty-one".