440116762087649 has 2 divisors, whose sum is σ = 440116762087650. Its totient is φ = 440116762087648.

The previous prime is 440116762087601. The next prime is 440116762087679. The reversal of 440116762087649 is 946780267611044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436601860800400 + 3514901287249 = 20895020^2 + 1874807^2 .

It is a cyclic number.

It is not a de Polignac number, because 440116762087649 - 2⁸ = 440116762087393 is a prime.

It is not a weakly prime, because it can be changed into another prime (440116762087679) 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, 220058381043824 + 220058381043825.

It is an arithmetic number, because the mean of its divisors is an integer number (220058381043825).

Almost surely, 2^{440116762087649} is an apocalyptic number.

It is an amenable number.

440116762087649 is a deficient number, since it is larger than the sum of its proper divisors (1).

440116762087649 is an equidigital number, since it uses as much as digits as its factorization.

440116762087649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 440116762087649 in words is "four hundred forty trillion, one hundred sixteen billion, seven hundred sixty-two million, eighty-seven thousand, six hundred forty-nine".