242776662506442 has 48 divisors (see below), whose sum is σ = 526218812650440. Its totient is φ = 80894370525696.

The previous prime is 242776662506383. The next prime is 242776662506459. The reversal of 242776662506442 is 244605266677242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 225379329744321 + 17397332762121 = 15012639^2 + 4171011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242776662506442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1282883484 + ... + 1283072712.

Almost surely, 2^{242776662506442} is an apocalyptic number.

242776662506442 is an abundant number, since it is smaller than the sum of its proper divisors (283442150143998).

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

242776662506442 is a wasteful number, since it uses less digits than its factorization.

242776662506442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216327 (or 216324 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 63.

The spelling of 242776662506442 in words is "two hundred forty-two trillion, seven hundred seventy-six billion, six hundred sixty-two million, five hundred six thousand, four hundred forty-two".