240535201340191 has 2 divisors, whose sum is σ = 240535201340192. Its totient is φ = 240535201340190.

The previous prime is 240535201340173. The next prime is 240535201340237. The reversal of 240535201340191 is 191043102535042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240535201340191 - 2³³ = 240526611405599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240535201340101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120267600670095 + 120267600670096.

It is an arithmetic number, because the mean of its divisors is an integer number (120267600670096).

Almost surely, 2^{240535201340191} is an apocalyptic number.

240535201340191 is a deficient number, since it is larger than the sum of its proper divisors (1).

240535201340191 is an equidigital number, since it uses as much as digits as its factorization.

240535201340191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 240535201340191 in words is "two hundred forty trillion, five hundred thirty-five billion, two hundred one million, three hundred forty thousand, one hundred ninety-one".