242585556 has 12 divisors (see below), whose sum is σ = 566032992. Its totient is φ = 80861848.

The previous prime is 242585549. The next prime is 242585569. The reversal of 242585556 is 655585242.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 10107720 + ... + 10107743.

It is an arithmetic number, because the mean of its divisors is an integer number (47169416).

Almost surely, 2^242585556 is an apocalyptic number.

It is an amenable number.

242585556 is an abundant number, since it is smaller than the sum of its proper divisors (323447436).

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

242585556 is a wasteful number, since it uses less digits than its factorization.

242585556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20215470 (or 20215468 counting only the distinct ones).

The product of its digits is 480000, while the sum is 42.

The square root of 242585556 is about 15575.1582977509. The cubic root of 242585556 is about 623.6701803208.

The spelling of 242585556 in words is "two hundred forty-two million, five hundred eighty-five thousand, five hundred fifty-six".