240054576640517 has 2 divisors, whose sum is σ = 240054576640518. Its totient is φ = 240054576640516.

The previous prime is 240054576640511. The next prime is 240054576640607. The reversal of 240054576640517 is 715046675450042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155468130566596 + 84586446073921 = 12468686^2 + 9197089^2 .

It is a cyclic number.

It is not a de Polignac number, because 240054576640517 - 2¹⁸ = 240054576378373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240054576640511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120027288320258 + 120027288320259.

It is an arithmetic number, because the mean of its divisors is an integer number (120027288320259).

Almost surely, 2^{240054576640517} is an apocalyptic number.

It is an amenable number.

240054576640517 is a deficient number, since it is larger than the sum of its proper divisors (1).

240054576640517 is an equidigital number, since it uses as much as digits as its factorization.

240054576640517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224000, while the sum is 56.

The spelling of 240054576640517 in words is "two hundred forty trillion, fifty-four billion, five hundred seventy-six million, six hundred forty thousand, five hundred seventeen".