240662616013 has 4 divisors (see below), whose sum is σ = 248961326940. Its totient is φ = 232363905088.

The previous prime is 240662616001. The next prime is 240662616017. The reversal of 240662616013 is 310616266042.

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 153674192169 + 86988423844 = 392013^2 + 294938^2 .

It is a cyclic number.

It is not a de Polignac number, because 240662616013 - 2¹³ = 240662607821 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 (240662616017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4149355420 + ... + 4149355477.

It is an arithmetic number, because the mean of its divisors is an integer number (62240331735).

Almost surely, 2^240662616013 is an apocalyptic number.

It is an amenable number.

240662616013 is a deficient number, since it is larger than the sum of its proper divisors (8298710927).

240662616013 is an equidigital number, since it uses as much as digits as its factorization.

240662616013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298710926.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 240662616013 in words is "two hundred forty billion, six hundred sixty-two million, six hundred sixteen thousand, thirteen".