240541640255 has 24 divisors (see below), whose sum is σ = 344852162592. Its totient is φ = 157771399104.

The previous prime is 240541640221. The next prime is 240541640279. The reversal of 240541640255 is 552046145042.

It is not a de Polignac number, because 240541640255 - 2¹⁸ = 240541378111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6477344 + ... + 6514373.

It is an arithmetic number, because the mean of its divisors is an integer number (14368840108).

Almost surely, 2^240541640255 is an apocalyptic number.

240541640255 is a deficient number, since it is larger than the sum of its proper divisors (104310522337).

240541640255 is a wasteful number, since it uses less digits than its factorization.

240541640255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991775 (or 12991752 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 240541640255 its reverse (552046145042), we get a palindrome (792587785297).

The spelling of 240541640255 in words is "two hundred forty billion, five hundred forty-one million, six hundred forty thousand, two hundred fifty-five".