3243242340 has 144 divisors (see below), whose sum is σ = 10637787888. Its totient is φ = 795082752.

The previous prime is 3243242339. The next prime is 3243242357. The reversal of 3243242340 is 432423423.

It can be written as a sum of positive squares in 8 ways, for example, as 376282404 + 2866959936 = 19398^2 + 53544^2 .

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 47 ways as a sum of consecutive naturals, for example, 598684 + ... + 604076.

It is an arithmetic number, because the mean of its divisors is an integer number (73873527).

Almost surely, 2^3243242340 is an apocalyptic number.

3243242340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3243242340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5318893944).

3243242340 is an abundant number, since it is smaller than the sum of its proper divisors (7394545548).

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

3243242340 is a wasteful number, since it uses less digits than its factorization.

3243242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5673 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 3243242340 is about 56949.4718149343. The cubic root of 3243242340 is about 1480.2206786835.

Adding to 3243242340 its reverse (432423423), we get a palindrome (3675665763).

The spelling of 3243242340 in words is "three billion, two hundred forty-three million, two hundred forty-two thousand, three hundred forty".