242543330320 has 20 divisors (see below), whose sum is σ = 563913243180. Its totient is φ = 97017332096.

The previous prime is 242543330273. The next prime is 242543330321. The reversal of 242543330320 is 23033345242.

It can be written as a sum of positive squares in 2 ways, for example, as 133149090816 + 109394239504 = 364896^2 + 330748^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (242543330321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515895735 + ... + 1515895894.

It is an arithmetic number, because the mean of its divisors is an integer number (28195662159).

Almost surely, 2^242543330320 is an apocalyptic number.

242543330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242543330320 is an abundant number, since it is smaller than the sum of its proper divisors (321369912860).

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

242543330320 is a wasteful number, since it uses less digits than its factorization.

242543330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031791642 (or 3031791636 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 242543330320 its reverse (23033345242), we get a palindrome (265576675562).

The spelling of 242543330320 in words is "two hundred forty-two billion, five hundred forty-three million, three hundred thirty thousand, three hundred twenty".