240068439499 has 4 divisors (see below), whose sum is σ = 274363930864. Its totient is φ = 205772948136.

The previous prime is 240068439491. The next prime is 240068439503. The reversal of 240068439499 is 994934860042.

It is a happy number.

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

It is not a de Polignac number, because 240068439499 - 2³ = 240068439491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240068439491) 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, 17147745672 + ... + 17147745685.

It is an arithmetic number, because the mean of its divisors is an integer number (68590982716).

Almost surely, 2^240068439499 is an apocalyptic number.

240068439499 is a deficient number, since it is larger than the sum of its proper divisors (34295491365).

240068439499 is an equidigital number, since it uses as much as digits as its factorization.

240068439499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34295491364.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 240068439499 in words is "two hundred forty billion, sixty-eight million, four hundred thirty-nine thousand, four hundred ninety-nine".