240342044399 has 4 divisors (see below), whose sum is σ = 240343499760. Its totient is φ = 240340589040.

The previous prime is 240342044359. The next prime is 240342044441. The reversal of 240342044399 is 993440243042.

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 240342044399 - 2⁸ = 240342044143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240342044359) 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, 442787 + ... + 822644.

It is an arithmetic number, because the mean of its divisors is an integer number (60085874940).

Almost surely, 2^240342044399 is an apocalyptic number.

240342044399 is a deficient number, since it is larger than the sum of its proper divisors (1455361).

240342044399 is a wasteful number, since it uses less digits than its factorization.

240342044399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455360.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 240342044399 in words is "two hundred forty billion, three hundred forty-two million, forty-four thousand, three hundred ninety-nine".