2728043632 has 20 divisors (see below), whose sum is σ = 5318016520. Its totient is φ = 1355652288.

The previous prime is 2728043621. The next prime is 2728043651. The reversal of 2728043632 is 2363408272.

It is a junction number, because it is equal to n+sod(n) for n = 2728043591 and 2728043600.

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 3 ways as a sum of consecutive naturals, for example, 520407 + ... + 525622.

It is an arithmetic number, because the mean of its divisors is an integer number (265900826).

Almost surely, 2^2728043632 is an apocalyptic number.

It is an amenable number.

2728043632 is a deficient number, since it is larger than the sum of its proper divisors (2589972888).

2728043632 is a wasteful number, since it uses less digits than its factorization.

2728043632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046200 (or 1046194 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 2728043632 is about 52230.6771160398. The cubic root of 2728043632 is about 1397.2810549181.

The spelling of 2728043632 in words is "two billion, seven hundred twenty-eight million, forty-three thousand, six hundred thirty-two".