240053660336257 has 2 divisors, whose sum is σ = 240053660336258. Its totient is φ = 240053660336256.

The previous prime is 240053660336249. The next prime is 240053660336279. The reversal of 240053660336257 is 752633066350042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213142217570881 + 26911442765376 = 14599391^2 + 5187624^2 .

It is a cyclic number.

It is not a de Polignac number, because 240053660336257 - 2³ = 240053660336249 is a prime.

It is not a weakly prime, because it can be changed into another prime (240053660336297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120026830168128 + 120026830168129.

It is an arithmetic number, because the mean of its divisors is an integer number (120026830168129).

Almost surely, 2^{240053660336257} is an apocalyptic number.

It is an amenable number.

240053660336257 is a deficient number, since it is larger than the sum of its proper divisors (1).

240053660336257 is an equidigital number, since it uses as much as digits as its factorization.

240053660336257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 52.

The spelling of 240053660336257 in words is "two hundred forty trillion, fifty-three billion, six hundred sixty million, three hundred thirty-six thousand, two hundred fifty-seven".