240840533117 has 2 divisors, whose sum is σ = 240840533118. Its totient is φ = 240840533116.

The previous prime is 240840533107. The next prime is 240840533173. The reversal of 240840533117 is 711335048042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236267933476 + 4572599641 = 486074^2 + 67621^2 .

It is a cyclic number.

It is not a de Polignac number, because 240840533117 - 2¹⁴ = 240840516733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240840533107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120420266558 + 120420266559.

It is an arithmetic number, because the mean of its divisors is an integer number (120420266559).

Almost surely, 2^240840533117 is an apocalyptic number.

It is an amenable number.

240840533117 is a deficient number, since it is larger than the sum of its proper divisors (1).

240840533117 is an equidigital number, since it uses as much as digits as its factorization.

240840533117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 240840533117 in words is "two hundred forty billion, eight hundred forty million, five hundred thirty-three thousand, one hundred seventeen".