242680826 has 4 divisors (see below), whose sum is σ = 364021242. Its totient is φ = 121340412.

The previous prime is 242680783. The next prime is 242680849. The reversal of 242680826 is 628086242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 154977601 + 87703225 = 12449^2 + 9365^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242680826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670205 + ... + 60670208.

Almost surely, 2^242680826 is an apocalyptic number.

242680826 is a deficient number, since it is larger than the sum of its proper divisors (121340416).

242680826 is a wasteful number, since it uses less digits than its factorization.

242680826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121340415.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 242680826 is about 15578.2163934130. The cubic root of 242680826 is about 623.7518137625.

The spelling of 242680826 in words is "two hundred forty-two million, six hundred eighty thousand, eight hundred twenty-six".