242418188 has 12 divisors (see below), whose sum is σ = 446559960. Its totient is φ = 114829632.

The previous prime is 242418179. The next prime is 242418193. The reversal of 242418188 is 881814242.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594781 + ... + 1594932.

It is an arithmetic number, because the mean of its divisors is an integer number (37213330).

Almost surely, 2^242418188 is an apocalyptic number.

It is an amenable number.

242418188 is a deficient number, since it is larger than the sum of its proper divisors (204141772).

242418188 is a wasteful number, since it uses less digits than its factorization.

242418188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189736 (or 3189734 counting only the distinct ones).

The product of its digits is 32768, while the sum is 38.

The square root of 242418188 is about 15569.7844557977. The cubic root of 242418188 is about 623.5267169213.

The spelling of 242418188 in words is "two hundred forty-two million, four hundred eighteen thousand, one hundred eighty-eight".