4440554450557 has 2 divisors, whose sum is σ = 4440554450558. Its totient is φ = 4440554450556.

The previous prime is 4440554450537. The next prime is 4440554450609. The reversal of 4440554450557 is 7550544550444.

It is an a-pointer prime, because the next prime (4440554450609) can be obtained adding 4440554450557 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3952485943396 + 488068507161 = 1988086^2 + 698619^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440554450557 - 2¹⁹ = 4440553926269 is a prime.

It is a super-3 number, since 3×4440554450557³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440554450537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220277225278 + 2220277225279.

It is an arithmetic number, because the mean of its divisors is an integer number (2220277225279).

Almost surely, 2^{4440554450557} is an apocalyptic number.

It is an amenable number.

4440554450557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440554450557 is an equidigital number, since it uses as much as digits as its factorization.

4440554450557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400000, while the sum is 52.

The spelling of 4440554450557 in words is "four trillion, four hundred forty billion, five hundred fifty-four million, four hundred fifty thousand, five hundred fifty-seven".