44124442009 has 2 divisors, whose sum is σ = 44124442010. Its totient is φ = 44124442008.

The previous prime is 44124441997. The next prime is 44124442051. The reversal of 44124442009 is 90024442144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31996265625 + 12128176384 = 178875^2 + 110128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44124442009 is a prime.

It is not a weakly prime, because it can be changed into another prime (44124422009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22062221004 + 22062221005.

It is an arithmetic number, because the mean of its divisors is an integer number (22062221005).

Almost surely, 2^44124442009 is an apocalyptic number.

It is an amenable number.

44124442009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44124442009 is an equidigital number, since it uses as much as digits as its factorization.

44124442009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 44124442009 in words is "forty-four billion, one hundred twenty-four million, four hundred forty-two thousand, nine".