4328646784 has 128 divisors (see below), whose sum is σ = 10786867200. Its totient is φ = 1680921600.

The previous prime is 4328646781. The next prime is 4328646787. The reversal of 4328646784 is 4876468234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4328646781) and next prime (4328646787).

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

It is not an unprimeable number, because it can be changed into a prime (4328646781) 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, 4247427 + ... + 4248445.

It is an arithmetic number, because the mean of its divisors is an integer number (84272400).

Almost surely, 2^4328646784 is an apocalyptic number.

4328646784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4328646784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5393433600).

4328646784 is an abundant number, since it is smaller than the sum of its proper divisors (6458220416).

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

4328646784 is a wasteful number, since it uses less digits than its factorization.

4328646784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1470 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 52.

The square root of 4328646784 is about 65792.4523330754. The cubic root of 4328646784 is about 1629.7364653550.

The spelling of 4328646784 in words is "four billion, three hundred twenty-eight million, six hundred forty-six thousand, seven hundred eighty-four".