3243032140 has 48 divisors (see below), whose sum is σ = 7044710400. Its totient is φ = 1252751040.

The previous prime is 3243032113. The next prime is 3243032141. The reversal of 3243032140 is 412303423.

It is a happy number.

It is a super-2 number, since 2×3243032140² = 21034514922145959200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3243032141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306661 + ... + 317059.

It is an arithmetic number, because the mean of its divisors is an integer number (146764800).

Almost surely, 2^3243032140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3243032140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3522355200).

3243032140 is an abundant number, since it is smaller than the sum of its proper divisors (3801678260).

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

3243032140 is a wasteful number, since it uses less digits than its factorization.

3243032140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942 (or 10940 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3243032140 is about 56947.6262894249. The cubic root of 3243032140 is about 1480.1886994607.

Adding to 3243032140 its reverse (412303423), we get a palindrome (3655335563).

The spelling of 3243032140 in words is "three billion, two hundred forty-three million, thirty-two thousand, one hundred forty".