3205243272 has 192 divisors, whose sum is σ = 10254090240. Its totient is φ = 825552000.

The previous prime is 3205243271. The next prime is 3205243313. The reversal of 3205243272 is 2723425023.

It is not an unprimeable number, because it can be changed into a prime (3205243271) 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 47 ways as a sum of consecutive naturals, for example, 1641897 + ... + 1643847.

It is an arithmetic number, because the mean of its divisors is an integer number (53406720).

Almost surely, 2^3205243272 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 3205243272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5127045120).

3205243272 is an abundant number, since it is smaller than the sum of its proper divisors (7048846968).

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

3205243272 is a wasteful number, since it uses less digits than its factorization.

3205243272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 3205243272 is about 56614.8679412043. The cubic root of 3205243272 is about 1474.4170094016.

Adding to 3205243272 its reverse (2723425023), we get a palindrome (5928668295).

The spelling of 3205243272 in words is "three billion, two hundred five million, two hundred forty-three thousand, two hundred seventy-two".