3443841728 has 56 divisors (see below), whose sum is σ = 6908865024. Its totient is φ = 1703116800.

The previous prime is 3443841721. The next prime is 3443841733. The reversal of 3443841728 is 8271483443.

It is not an unprimeable number, because it can be changed into a prime (3443841721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5209718 + ... + 5210378.

Almost surely, 2^3443841728 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 3443841728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3454432512).

3443841728 is an abundant number, since it is smaller than the sum of its proper divisors (3465023296).

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

3443841728 is a wasteful number, since it uses less digits than its factorization.

3443841728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1431 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 3443841728 is about 58684.2545151593. The cubic root of 3443841728 is about 1510.1302064526.

The spelling of 3443841728 in words is "three billion, four hundred forty-three million, eight hundred forty-one thousand, seven hundred twenty-eight".