240099394559 has 4 divisors (see below), whose sum is σ = 240343647216. Its totient is φ = 239855141904.

The previous prime is 240099394519. The next prime is 240099394567. The reversal of 240099394559 is 955493990042.

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 240099394559 - 2¹⁶ = 240099329023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240099394498 and 240099394507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240099394519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122124854 + ... + 122126819.

It is an arithmetic number, because the mean of its divisors is an integer number (60085911804).

Almost surely, 2^240099394559 is an apocalyptic number.

240099394559 is a deficient number, since it is larger than the sum of its proper divisors (244252657).

240099394559 is an equidigital number, since it uses as much as digits as its factorization.

240099394559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244252656.

The product of its (nonzero) digits is 15746400, while the sum is 59.

The spelling of 240099394559 in words is "two hundred forty billion, ninety-nine million, three hundred ninety-four thousand, five hundred fifty-nine".