242543030556 has 24 divisors (see below), whose sum is σ = 565982000640. Its totient is φ = 80840782192.

The previous prime is 242543030501. The next prime is 242543030567. The reversal of 242543030556 is 655030345242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714246 + ... + 997613.

It is an arithmetic number, because the mean of its divisors is an integer number (23582583360).

Almost surely, 2^242543030556 is an apocalyptic number.

It is an amenable number.

242543030556 is an abundant number, since it is smaller than the sum of its proper divisors (323438970084).

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

242543030556 is a wasteful number, since it uses less digits than its factorization.

242543030556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723673 (or 1723671 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 242543030556 its reverse (655030345242), we get a palindrome (897573375798).

The spelling of 242543030556 in words is "two hundred forty-two billion, five hundred forty-three million, thirty thousand, five hundred fifty-six".