242080664 has 32 divisors (see below), whose sum is σ = 522720000. Its totient is φ = 102953760.

The previous prime is 242080651. The next prime is 242080673. The reversal of 242080664 is 466080242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242080664.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 9164 + ... + 23835.

It is an arithmetic number, because the mean of its divisors is an integer number (16335000).

Almost surely, 2^242080664 is an apocalyptic number.

It is an amenable number.

242080664 is an abundant number, since it is smaller than the sum of its proper divisors (280639336).

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

242080664 is a wasteful number, since it uses less digits than its factorization.

242080664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33143 (or 33139 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 242080664 is about 15558.9416092484. The cubic root of 242080664 is about 623.2371993419.

The spelling of 242080664 in words is "two hundred forty-two million, eighty thousand, six hundred sixty-four".