242565570 has 128 divisors (see below), whose sum is σ = 720921600. Its totient is φ = 57625344.

The previous prime is 242565563. The next prime is 242565581. The reversal of 242565570 is 75565242.

242565570 is a `hidden beast` number, since 2 + 4 + 25 + 65 + 570 = 666.

242565570 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100599 + ... + 102981.

It is an arithmetic number, because the mean of its divisors is an integer number (5632200).

Almost surely, 2^242565570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242565570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360460800).

242565570 is an abundant number, since it is smaller than the sum of its proper divisors (478356030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242565570 is a wasteful number, since it uses less digits than its factorization.

242565570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 242565570 is about 15574.5166859200. The cubic root of 242565570 is about 623.6530523231.

The spelling of 242565570 in words is "two hundred forty-two million, five hundred sixty-five thousand, five hundred seventy".