6728944450 has 24 divisors (see below), whose sum is σ = 12525448320. Its totient is φ = 2689510800.

The previous prime is 6728944427. The next prime is 6728944451. The reversal of 6728944450 is 544498276.

It is a super-2 number, since 2×6728944450² = 90557386822371605000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6728944394 and 6728944403.

It is not an unprimeable number, because it can be changed into a prime (6728944451) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14935 + ... + 116965.

It is an arithmetic number, because the mean of its divisors is an integer number (521893680).

Almost surely, 2^6728944450 is an apocalyptic number.

6728944450 is a deficient number, since it is larger than the sum of its proper divisors (5796503870).

6728944450 is a wasteful number, since it uses less digits than its factorization.

6728944450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103362 (or 103357 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 6728944450 is about 82030.1435449189. The cubic root of 6728944450 is about 1887.9144665314.

The spelling of 6728944450 in words is "six billion, seven hundred twenty-eight million, nine hundred forty-four thousand, four hundred fifty".