440564355452987 has 2 divisors, whose sum is σ = 440564355452988. Its totient is φ = 440564355452986.

The previous prime is 440564355452939. The next prime is 440564355453029. The reversal of 440564355452987 is 789254553465044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440564355452987 - 2⁴⁶ = 370195611275323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440564355452987.

It is not a weakly prime, because it can be changed into another prime (440564355454987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220282177726493 + 220282177726494.

It is an arithmetic number, because the mean of its divisors is an integer number (220282177726494).

Almost surely, 2^{440564355452987} is an apocalyptic number.

440564355452987 is a deficient number, since it is larger than the sum of its proper divisors (1).

440564355452987 is an equidigital number, since it uses as much as digits as its factorization.

440564355452987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040000, while the sum is 71.

The spelling of 440564355452987 in words is "four hundred forty trillion, five hundred sixty-four billion, three hundred fifty-five million, four hundred fifty-two thousand, nine hundred eighty-seven".