440142444222137 has 2 divisors, whose sum is σ = 440142444222138. Its totient is φ = 440142444222136.

The previous prime is 440142444222079. The next prime is 440142444222167. The reversal of 440142444222137 is 731222444241044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427968353260816 + 12174090961321 = 20687396^2 + 3489139^2 .

It is a cyclic number.

It is not a de Polignac number, because 440142444222137 - 2⁴⁴ = 422550258177721 is a prime.

It is not a weakly prime, because it can be changed into another prime (440142444222167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220071222111068 + 220071222111069.

It is an arithmetic number, because the mean of its divisors is an integer number (220071222111069).

Almost surely, 2^{440142444222137} is an apocalyptic number.

It is an amenable number.

440142444222137 is a deficient number, since it is larger than the sum of its proper divisors (1).

440142444222137 is an equidigital number, since it uses as much as digits as its factorization.

440142444222137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1376256, while the sum is 44.

The spelling of 440142444222137 in words is "four hundred forty trillion, one hundred forty-two billion, four hundred forty-four million, two hundred twenty-two thousand, one hundred thirty-seven".