3243120444 has 60 divisors (see below), whose sum is σ = 8540158704. Its totient is φ = 1073134656.

The previous prime is 3243120427. The next prime is 3243120467. The reversal of 3243120444 is 4440213423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7857 + ... + 80919.

Almost surely, 2^3243120444 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 3243120444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4270079352).

3243120444 is an abundant number, since it is smaller than the sum of its proper divisors (5297038260).

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

3243120444 is a wasteful number, since it uses less digits than its factorization.

3243120444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73216 (or 73205 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3243120444 is about 56948.4015930210. The cubic root of 3243120444 is about 1480.2021339453.

Adding to 3243120444 its reverse (4440213423), we get a palindrome (7683333867).

The spelling of 3243120444 in words is "three billion, two hundred forty-three million, one hundred twenty thousand, four hundred forty-four".