242766405146770 has 8 divisors (see below), whose sum is σ = 436979529264204. Its totient is φ = 97106562058704.

The previous prime is 242766405146767. The next prime is 242766405146777. The reversal of 242766405146770 is 77641504667242.

It can be written as a sum of positive squares in 2 ways, for example, as 242748147462129 + 18257684641 = 15580377^2 + 135121^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 242766405146699 and 242766405146708.

It is not an unprimeable number, because it can be changed into a prime (242766405146777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12138320257329 + ... + 12138320257348.

Almost surely, 2^{242766405146770} is an apocalyptic number.

242766405146770 is a deficient number, since it is larger than the sum of its proper divisors (194213124117434).

242766405146770 is a wasteful number, since it uses less digits than its factorization.

242766405146770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24276640514684.

The product of its (nonzero) digits is 94832640, while the sum is 61.

The spelling of 242766405146770 in words is "two hundred forty-two trillion, seven hundred sixty-six billion, four hundred five million, one hundred forty-six thousand, seven hundred seventy".