440142112117 has 2 divisors, whose sum is σ = 440142112118. Its totient is φ = 440142112116.

The previous prime is 440142112037. The next prime is 440142112127. The reversal of 440142112117 is 711211241044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280173310596 + 159968801521 = 529314^2 + 399961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440142112117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440142112127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220071056058 + 220071056059.

It is an arithmetic number, because the mean of its divisors is an integer number (220071056059).

Almost surely, 2^440142112117 is an apocalyptic number.

It is an amenable number.

440142112117 is a deficient number, since it is larger than the sum of its proper divisors (1).

440142112117 is an equidigital number, since it uses as much as digits as its factorization.

440142112117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The spelling of 440142112117 in words is "four hundred forty billion, one hundred forty-two million, one hundred twelve thousand, one hundred seventeen".