44063251221 has 12 divisors (see below), whose sum is σ = 64577547776. Its totient is φ = 26705000520.

The previous prime is 44063251187. The next prime is 44063251229. The reversal of 44063251221 is 12215236044.

It is not a de Polignac number, because 44063251221 - 2⁶ = 44063251157 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 (44063251229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60692821 + ... + 60693546.

Almost surely, 2^44063251221 is an apocalyptic number.

It is an amenable number.

44063251221 is a deficient number, since it is larger than the sum of its proper divisors (20514296555).

44063251221 is a wasteful number, since it uses less digits than its factorization.

44063251221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121386392 (or 121386381 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 44063251221 its reverse (12215236044), we get a palindrome (56278487265).

The spelling of 44063251221 in words is "forty-four billion, sixty-three million, two hundred fifty-one thousand, two hundred twenty-one".