44004894428057 has 2 divisors, whose sum is σ = 44004894428058. Its totient is φ = 44004894428056.

The previous prime is 44004894428029. The next prime is 44004894428093. The reversal of 44004894428057 is 75082449840044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25683164436736 + 18321729991321 = 5067856^2 + 4280389^2 .

It is a cyclic number.

It is not a de Polignac number, because 44004894428057 - 2⁶ = 44004894427993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44004894427987 and 44004894428005.

It is not a weakly prime, because it can be changed into another prime (44004894478057) 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, 22002447214028 + 22002447214029.

It is an arithmetic number, because the mean of its divisors is an integer number (22002447214029).

Almost surely, 2^{44004894428057} is an apocalyptic number.

It is an amenable number.

44004894428057 is a deficient number, since it is larger than the sum of its proper divisors (1).

44004894428057 is an equidigital number, since it uses as much as digits as its factorization.

44004894428057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 44004894428057 in words is "forty-four trillion, four billion, eight hundred ninety-four million, four hundred twenty-eight thousand, fifty-seven".