240840900289 has 16 divisors (see below), whose sum is σ = 266093752320. Its totient is φ = 216148430160.

The previous prime is 240840900257. The next prime is 240840900533. The reversal of 240840900289 is 982009048042.

240840900289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 240840900289 - 2⁵ = 240840900257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240840900229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12127402 + ... + 12147244.

It is an arithmetic number, because the mean of its divisors is an integer number (16630859520).

Almost surely, 2^240840900289 is an apocalyptic number.

It is an amenable number.

240840900289 is a deficient number, since it is larger than the sum of its proper divisors (25252852031).

240840900289 is a wasteful number, since it uses less digits than its factorization.

240840900289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33900.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 240840900289 in words is "two hundred forty billion, eight hundred forty million, nine hundred thousand, two hundred eighty-nine".