242776662506266 has 24 divisors (see below), whose sum is σ = 423637466281920. Its totient is φ = 104042974640472.

The previous prime is 242776662506243. The next prime is 242776662506311. The reversal of 242776662506266 is 662605266677242.

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, 47139970 + ... + 52035853.

It is an arithmetic number, because the mean of its divisors is an integer number (17651561095080).

Almost surely, 2^{242776662506266} is an apocalyptic number.

242776662506266 is a deficient number, since it is larger than the sum of its proper divisors (180860803775654).

242776662506266 is a wasteful number, since it uses less digits than its factorization.

242776662506266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99200818 (or 99200811 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 67.

The spelling of 242776662506266 in words is "two hundred forty-two trillion, seven hundred seventy-six billion, six hundred sixty-two million, five hundred six thousand, two hundred sixty-six".