3443240320 has 128 divisors (see below), whose sum is σ = 8892555840. Its totient is φ = 1267359744.

The previous prime is 3443240293. The next prime is 3443240327. The reversal of 3443240320 is 230423443.

3443240320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443240327) 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, 4633869 + ... + 4634611.

Almost surely, 2^3443240320 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 3443240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4446277920).

3443240320 is an abundant number, since it is smaller than the sum of its proper divisors (5449315520).

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

3443240320 is a wasteful number, since it uses less digits than its factorization.

3443240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 3443240320 is about 58679.1301912358. The cubic root of 3443240320 is about 1510.0422952058.

Adding to 3443240320 its reverse (230423443), we get a palindrome (3673663763).

The spelling of 3443240320 in words is "three billion, four hundred forty-three million, two hundred forty thousand, three hundred twenty".