240554131534271 has 2 divisors, whose sum is σ = 240554131534272. Its totient is φ = 240554131534270.

The previous prime is 240554131534247. The next prime is 240554131534351. The reversal of 240554131534271 is 172435131455042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240554131534271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240554131534771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120277065767135 + 120277065767136.

It is an arithmetic number, because the mean of its divisors is an integer number (120277065767136).

Almost surely, 2^{240554131534271} is an apocalyptic number.

240554131534271 is a deficient number, since it is larger than the sum of its proper divisors (1).

240554131534271 is an equidigital number, since it uses as much as digits as its factorization.

240554131534271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 240554131534271 in words is "two hundred forty trillion, five hundred fifty-four billion, one hundred thirty-one million, five hundred thirty-four thousand, two hundred seventy-one".