242424856 has 8 divisors (see below), whose sum is σ = 454546620. Its totient is φ = 121212424.

The previous prime is 242424803. The next prime is 242424859. The reversal of 242424856 is 658424242.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242424859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151546 + ... + 15151561.

Almost surely, 2^242424856 is an apocalyptic number.

It is an amenable number.

242424856 is a deficient number, since it is larger than the sum of its proper divisors (212121764).

242424856 is a wasteful number, since it uses less digits than its factorization.

242424856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30303113 (or 30303109 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 242424856 is about 15569.9985870263. The cubic root of 242424856 is about 623.5324338164.

The spelling of 242424856 in words is "two hundred forty-two million, four hundred twenty-four thousand, eight hundred fifty-six".