44440234221 has 16 divisors (see below), whose sum is σ = 59328190208. Its totient is φ = 29589580800.

The previous prime is 44440234213. The next prime is 44440234249. The reversal of 44440234221 is 12243204444.

It is not a de Polignac number, because 44440234221 - 2³ = 44440234213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440234261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14237541 + ... + 14240661.

It is an arithmetic number, because the mean of its divisors is an integer number (3708011888).

Almost surely, 2^44440234221 is an apocalyptic number.

It is an amenable number.

44440234221 is a deficient number, since it is larger than the sum of its proper divisors (14887955987).

44440234221 is a wasteful number, since it uses less digits than its factorization.

44440234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 44440234221 its reverse (12243204444), we get a palindrome (56683438665).

The spelling of 44440234221 in words is "forty-four billion, four hundred forty million, two hundred thirty-four thousand, two hundred twenty-one".