242866530 has 24 divisors (see below), whose sum is σ = 631453212. Its totient is φ = 64764384.

The previous prime is 242866523. The next prime is 242866553. The reversal of 242866530 is 35668242.

242866530 is a `hidden beast` number, since 2 + 42 + 86 + 6 + 530 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 231435369 + 11431161 = 15213^2 + 3381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349169 + ... + 1349348.

Almost surely, 2^242866530 is an apocalyptic number.

242866530 is an abundant number, since it is smaller than the sum of its proper divisors (388586682).

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

242866530 is a wasteful number, since it uses less digits than its factorization.

242866530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698530 (or 2698527 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 242866530 is about 15584.1756278605. The cubic root of 242866530 is about 623.9108754615.

The spelling of 242866530 in words is "two hundred forty-two million, eight hundred sixty-six thousand, five hundred thirty".