44255619857 has 2 divisors, whose sum is σ = 44255619858. Its totient is φ = 44255619856.

The previous prime is 44255619839. The next prime is 44255619899. The reversal of 44255619857 is 75891655244.

44255619857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39974404096 + 4281215761 = 199936^2 + 65431^2 .

It is a cyclic number.

It is not a de Polignac number, because 44255619857 - 2⁸ = 44255619601 is a prime.

It is not a weakly prime, because it can be changed into another prime (44255619827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22127809928 + 22127809929.

It is an arithmetic number, because the mean of its divisors is an integer number (22127809929).

Almost surely, 2^44255619857 is an apocalyptic number.

It is an amenable number.

44255619857 is a deficient number, since it is larger than the sum of its proper divisors (1).

44255619857 is an equidigital number, since it uses as much as digits as its factorization.

44255619857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096000, while the sum is 56.

The spelling of 44255619857 in words is "forty-four billion, two hundred fifty-five million, six hundred nineteen thousand, eight hundred fifty-seven".