242068635778 has 8 divisors (see below), whose sum is σ = 363105250380. Its totient is φ = 121033552320.

The previous prime is 242068635769. The next prime is 242068635791. The reversal of 242068635778 is 877536860242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 225979489129 + 16089146649 = 475373^2 + 126843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175038 + ... + 717478.

Almost surely, 2^242068635778 is an apocalyptic number.

242068635778 is a deficient number, since it is larger than the sum of its proper divisors (121036614602).

242068635778 is a wasteful number, since it uses less digits than its factorization.

242068635778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765572.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 242068635778 in words is "two hundred forty-two billion, sixty-eight million, six hundred thirty-five thousand, seven hundred seventy-eight".