5429448728 has 16 divisors (see below), whose sum is σ = 11105690760. Its totient is φ = 2467931200.

The previous prime is 5429448719. The next prime is 5429448733. The reversal of 5429448728 is 8278449245.

It is a self number, because there is not a number n which added to its sum of digits gives 5429448728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30849053 + ... + 30849228.

Almost surely, 2^5429448728 is an apocalyptic number.

It is an amenable number.

5429448728 is an abundant number, since it is smaller than the sum of its proper divisors (5676242032).

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

5429448728 is a wasteful number, since it uses less digits than its factorization.

5429448728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61698298 (or 61698294 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 53.

The square root of 5429448728 is about 73684.7930579981. The cubic root of 5429448728 is about 1757.5940705347.

The spelling of 5429448728 in words is "five billion, four hundred twenty-nine million, four hundred forty-eight thousand, seven hundred twenty-eight".