240340099 has 4 divisors (see below), whose sum is σ = 244413720. Its totient is φ = 236266480.

The previous prime is 240340091. The next prime is 240340127. The reversal of 240340099 is 990043042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240340099 - 2³ = 240340091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240340099.

It is not an unprimeable number, because it can be changed into a prime (240340091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036722 + ... + 2036839.

It is an arithmetic number, because the mean of its divisors is an integer number (61103430).

Almost surely, 2^240340099 is an apocalyptic number.

240340099 is a deficient number, since it is larger than the sum of its proper divisors (4073621).

240340099 is an equidigital number, since it uses as much as digits as its factorization.

240340099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073620.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 240340099 is about 15502.9061469132. The cubic root of 240340099 is about 621.7399089371.

The spelling of 240340099 in words is "two hundred forty million, three hundred forty thousand, ninety-nine".