40282556491057 has 2 divisors, whose sum is σ = 40282556491058. Its totient is φ = 40282556491056.

The previous prime is 40282556490947. The next prime is 40282556491087. The reversal of 40282556491057 is 75019465528204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25873540252816 + 14409016238241 = 5086604^2 + 3795921^2 .

It is a cyclic number.

It is not a de Polignac number, because 40282556491057 - 2¹⁵ = 40282556458289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40282556490992 and 40282556491010.

It is not a weakly prime, because it can be changed into another prime (40282556491087) 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, 20141278245528 + 20141278245529.

It is an arithmetic number, because the mean of its divisors is an integer number (20141278245529).

Almost surely, 2^{40282556491057} is an apocalyptic number.

It is an amenable number.

40282556491057 is a deficient number, since it is larger than the sum of its proper divisors (1).

40282556491057 is an equidigital number, since it uses as much as digits as its factorization.

40282556491057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 40282556491057 in words is "forty trillion, two hundred eighty-two billion, five hundred fifty-six million, four hundred ninety-one thousand, fifty-seven".