240442320113 has 4 divisors (see below), whose sum is σ = 254585986020. Its totient is φ = 226298654208.

The previous prime is 240442320089. The next prime is 240442320133. The reversal of 240442320113 is 311023244042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 217872365824 + 22569954289 = 466768^2 + 150233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240442320113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240442320133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7071832928 + ... + 7071832961.

It is an arithmetic number, because the mean of its divisors is an integer number (63646496505).

Almost surely, 2^240442320113 is an apocalyptic number.

It is an amenable number.

240442320113 is a deficient number, since it is larger than the sum of its proper divisors (14143665907).

240442320113 is a wasteful number, since it uses less digits than its factorization.

240442320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143665906.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 240442320113 its reverse (311023244042), we get a palindrome (551465564155).

The spelling of 240442320113 in words is "two hundred forty billion, four hundred forty-two million, three hundred twenty thousand, one hundred thirteen".