4328220672 has 288 divisors, whose sum is σ = 13951828800. Its totient is φ = 1284636672.

The previous prime is 4328220667. The next prime is 4328220697. The reversal of 4328220672 is 2760228234.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5953173 + ... + 5953899.

It is an arithmetic number, because the mean of its divisors is an integer number (48443850).

Almost surely, 2^4328220672 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 4328220672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6975914400).

4328220672 is an abundant number, since it is smaller than the sum of its proper divisors (9623608128).

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

4328220672 is a wasteful number, since it uses less digits than its factorization.

4328220672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 4328220672 is about 65789.2139487925. The cubic root of 4328220672 is about 1629.6829865130.

The spelling of 4328220672 in words is "four billion, three hundred twenty-eight million, two hundred twenty thousand, six hundred seventy-two".