4493545728 has 288 divisors, whose sum is σ = 14379294720. Its totient is φ = 1218723840.

The previous prime is 4493545687. The next prime is 4493545741. The reversal of 4493545728 is 8275453944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9832476 + ... + 9832932.

Almost surely, 2^4493545728 is an apocalyptic number.

4493545728 is a gapful number since it is divisible by the number (48) 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 4493545728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7189647360).

4493545728 is an abundant number, since it is smaller than the sum of its proper divisors (9885748992).

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

4493545728 is a wasteful number, since it uses less digits than its factorization.

4493545728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 559 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The square root of 4493545728 is about 67033.9147596200. The cubic root of 4493545728 is about 1650.1739306089.

The spelling of 4493545728 in words is "four billion, four hundred ninety-three million, five hundred forty-five thousand, seven hundred twenty-eight".