243330424340 has 24 divisors (see below), whose sum is σ = 512636971392. Its totient is φ = 97019202080.

The previous prime is 243330424339. The next prime is 243330424349. The reversal of 243330424340 is 43424033342.

It is a junction number, because it is equal to n+sod(n) for n = 243330424297 and 243330424306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243330424349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19554104 + ... + 19566543.

It is an arithmetic number, because the mean of its divisors is an integer number (21359873808).

Almost surely, 2^243330424340 is an apocalyptic number.

243330424340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243330424340 is an abundant number, since it is smaller than the sum of its proper divisors (269306547052).

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

243330424340 is a wasteful number, since it uses less digits than its factorization.

243330424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39120967 (or 39120965 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 243330424340 its reverse (43424033342), we get a palindrome (286754457682).

The spelling of 243330424340 in words is "two hundred forty-three billion, three hundred thirty million, four hundred twenty-four thousand, three hundred forty".