3243003240 has 128 divisors (see below), whose sum is σ = 10198742400. Its totient is φ = 824033280.

The previous prime is 3243003223. The next prime is 3243003241. The reversal of 3243003240 is 423003423.

It is not an unprimeable number, because it can be changed into a prime (3243003241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203896 + ... + 219224.

It is an arithmetic number, because the mean of its divisors is an integer number (79677675).

Almost surely, 2^3243003240 is an apocalyptic number.

3243003240 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 3243003240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5099371200).

3243003240 is an abundant number, since it is smaller than the sum of its proper divisors (6955739160).

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

3243003240 is a wasteful number, since it uses less digits than its factorization.

3243003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427 (or 15423 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 3243003240 is about 56947.3725469402. The cubic root of 3243003240 is about 1480.1843025898.

Adding to 3243003240 its reverse (423003423), we get a palindrome (3666006663).

The spelling of 3243003240 in words is "three billion, two hundred forty-three million, three thousand, two hundred forty".