242290678 has 16 divisors (see below), whose sum is σ = 416263680. Its totient is φ = 103611816.

The previous prime is 242290673. The next prime is 242290691. The reversal of 242290678 is 876092242.

It is a self number, because there is not a number n which added to its sum of digits gives 242290678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242290673) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 12208 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (26016480).

Almost surely, 2^242290678 is an apocalyptic number.

242290678 is a deficient number, since it is larger than the sum of its proper divisors (173973002).

242290678 is a wasteful number, since it uses less digits than its factorization.

242290678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37851.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 242290678 is about 15565.6891270512. The cubic root of 242290678 is about 623.4173744166.

The spelling of 242290678 in words is "two hundred forty-two million, two hundred ninety thousand, six hundred seventy-eight".