44240231257 has 2 divisors, whose sum is σ = 44240231258. Its totient is φ = 44240231256.

The previous prime is 44240231251. The next prime is 44240231261. The reversal of 44240231257 is 75213204244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44225669401 + 14561856 = 210299^2 + 3816^2 .

It is a cyclic number.

It is not a de Polignac number, because 44240231257 - 2³ = 44240231249 is a prime.

It is not a weakly prime, because it can be changed into another prime (44240231251) 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 as a sum of consecutive naturals, namely, 22120115628 + 22120115629.

It is an arithmetic number, because the mean of its divisors is an integer number (22120115629).

Almost surely, 2^44240231257 is an apocalyptic number.

It is an amenable number.

44240231257 is a deficient number, since it is larger than the sum of its proper divisors (1).

44240231257 is an equidigital number, since it uses as much as digits as its factorization.

44240231257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 44240231257 in words is "forty-four billion, two hundred forty million, two hundred thirty-one thousand, two hundred fifty-seven".