240341400217 has 2 divisors, whose sum is σ = 240341400218. Its totient is φ = 240341400216.

The previous prime is 240341400161. The next prime is 240341400241. The reversal of 240341400217 is 712004143042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239449720896 + 891679321 = 489336^2 + 29861^2 .

It is a cyclic number.

It is not a de Polignac number, because 240341400217 - 2³⁵ = 205981661849 is a prime.

It is not a weakly prime, because it can be changed into another prime (240341400287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120170700108 + 120170700109.

It is an arithmetic number, because the mean of its divisors is an integer number (120170700109).

Almost surely, 2^240341400217 is an apocalyptic number.

It is an amenable number.

240341400217 is a deficient number, since it is larger than the sum of its proper divisors (1).

240341400217 is an equidigital number, since it uses as much as digits as its factorization.

240341400217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 240341400217 its reverse (712004143042), we get a palindrome (952345543259).

The spelling of 240341400217 in words is "two hundred forty billion, three hundred forty-one million, four hundred thousand, two hundred seventeen".