4649728328 has 64 divisors (see below), whose sum is σ = 10272528000. Its totient is φ = 1931604480.

The previous prime is 4649728289. The next prime is 4649728333. The reversal of 4649728328 is 8238279464.

It is a self number, because there is not a number n which added to its sum of digits gives 4649728328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354023 + ... + 366921.

It is an arithmetic number, because the mean of its divisors is an integer number (160508250).

Almost surely, 2^4649728328 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 4649728328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5136264000).

4649728328 is an abundant number, since it is smaller than the sum of its proper divisors (5622799672).

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

4649728328 is a wasteful number, since it uses less digits than its factorization.

4649728328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110 (or 13106 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The square root of 4649728328 is about 68188.9164600817. The cubic root of 4649728328 is about 1669.0750286703.

The spelling of 4649728328 in words is "four billion, six hundred forty-nine million, seven hundred twenty-eight thousand, three hundred twenty-eight".