5128278544 has 15 divisors (see below), whose sum is σ = 9936594703. Its totient is φ = 2563996048.

The previous prime is 5128278521. The next prime is 5128278553. The reversal of 5128278544 is 4458728215.

The square root of 5128278544 is 71612.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5128278494 and 5128278503.

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 2 ways as a sum of consecutive naturals, for example, 277497 + ... + 295399.

Almost surely, 2^5128278544 is an apocalyptic number.

5128278544 is the 71612-nd square number.

It is an amenable number.

5128278544 is a deficient number, since it is larger than the sum of its proper divisors (4808316159).

5128278544 is an frugal number, since it uses more digits than its factorization.

5128278544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35814 (or 17905 counting only the distinct ones).

The product of its digits is 716800, while the sum is 46.

The cubic root of 5128278544 is about 1724.4761883901.

The spelling of 5128278544 in words is "five billion, one hundred twenty-eight million, two hundred seventy-eight thousand, five hundred forty-four".