242643276 has 48 divisors (see below), whose sum is σ = 636864480. Its totient is φ = 80878176.

The previous prime is 242643239. The next prime is 242643301. The reversal of 242643276 is 672346242.

242643276 is a `hidden beast` number, since 2 + 4 + 2 + 643 + 2 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 242643276.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5121 + ... + 22616.

It is an arithmetic number, because the mean of its divisors is an integer number (13268010).

Almost surely, 2^242643276 is an apocalyptic number.

It is an amenable number.

242643276 is an abundant number, since it is smaller than the sum of its proper divisors (394221204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242643276 is an equidigital number, since it uses as much as digits as its factorization.

242643276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27762 (or 27742 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 242643276 is about 15577.0111382126. The cubic root of 242643276 is about 623.7196410673.

The spelling of 242643276 in words is "two hundred forty-two million, six hundred forty-three thousand, two hundred seventy-six".