44244421181 has 2 divisors, whose sum is σ = 44244421182. Its totient is φ = 44244421180.

The previous prime is 44244421159. The next prime is 44244421219. The reversal of 44244421181 is 18112444244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37429093156 + 6815328025 = 193466^2 + 82555^2 .

It is a cyclic number.

It is not a de Polignac number, because 44244421181 - 2¹⁴ = 44244404797 is a prime.

It is a super-2 number, since 2×44244421181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44244424181) 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 as a sum of consecutive naturals, namely, 22122210590 + 22122210591.

It is an arithmetic number, because the mean of its divisors is an integer number (22122210591).

Almost surely, 2^44244421181 is an apocalyptic number.

It is an amenable number.

44244421181 is a deficient number, since it is larger than the sum of its proper divisors (1).

44244421181 is an equidigital number, since it uses as much as digits as its factorization.

44244421181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32768, while the sum is 35.

The spelling of 44244421181 in words is "forty-four billion, two hundred forty-four million, four hundred twenty-one thousand, one hundred eighty-one".