240290885330497 has 2 divisors, whose sum is σ = 240290885330498. Its totient is φ = 240290885330496.

The previous prime is 240290885330479. The next prime is 240290885330501. The reversal of 240290885330497 is 794033588092042.

Together with previous prime (240290885330479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240290642718721 + 242611776 = 15501311^2 + 15576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240290885330497 is a prime.

It is not a weakly prime, because it can be changed into another prime (240290885330467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120145442665248 + 120145442665249.

It is an arithmetic number, because the mean of its divisors is an integer number (120145442665249).

Almost surely, 2^{240290885330497} is an apocalyptic number.

It is an amenable number.

240290885330497 is a deficient number, since it is larger than the sum of its proper divisors (1).

240290885330497 is an equidigital number, since it uses as much as digits as its factorization.

240290885330497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 240290885330497 in words is "two hundred forty trillion, two hundred ninety billion, eight hundred eighty-five million, three hundred thirty thousand, four hundred ninety-seven".