242756918215 has 16 divisors (see below), whose sum is σ = 336035215872. Its totient is φ = 164906165664.

The previous prime is 242756918147. The next prime is 242756918221. The reversal of 242756918215 is 512819657242.

It is a happy number.

242756918215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242756918215 - 2¹³ = 242756910023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32407059 + ... + 32414548.

It is an arithmetic number, because the mean of its divisors is an integer number (21002200992).

Almost surely, 2^242756918215 is an apocalyptic number.

242756918215 is a deficient number, since it is larger than the sum of its proper divisors (93278297657).

242756918215 is a wasteful number, since it uses less digits than its factorization.

242756918215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64821726.

The product of its digits is 2419200, while the sum is 52.

The spelling of 242756918215 in words is "two hundred forty-two billion, seven hundred fifty-six million, nine hundred eighteen thousand, two hundred fifteen".