4534448728 has 32 divisors (see below), whose sum is σ = 8819038800. Its totient is φ = 2184150528.

The previous prime is 4534448719. The next prime is 4534448741. The reversal of 4534448728 is 8278444354.

It is a super-2 number, since 2×4534448728² = 41122450533721635968, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 65173 + ... + 115396.

Almost surely, 2^4534448728 is an apocalyptic number.

It is an amenable number.

4534448728 is a deficient number, since it is larger than the sum of its proper divisors (4284590072).

4534448728 is a wasteful number, since it uses less digits than its factorization.

4534448728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180691 (or 180687 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 49.

The square root of 4534448728 is about 67338.3154526455. The cubic root of 4534448728 is about 1655.1657787649.

The spelling of 4534448728 in words is "four billion, five hundred thirty-four million, four hundred forty-eight thousand, seven hundred twenty-eight".