728481200444 has 6 divisors (see below), whose sum is σ = 1274842100784. Its totient is φ = 364240600220.

The previous prime is 728481200417. The next prime is 728481200477. The reversal of 728481200444 is 444002184827.

It is a junction number, because it is equal to n+sod(n) for n = 728481200395 and 728481200404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91060150052 + ... + 91060150059.

It is an arithmetic number, because the mean of its divisors is an integer number (212473683464).

Almost surely, 2^728481200444 is an apocalyptic number.

It is an amenable number.

728481200444 is a deficient number, since it is larger than the sum of its proper divisors (546360900340).

728481200444 is a wasteful number, since it uses less digits than its factorization.

728481200444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182120300115 (or 182120300113 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 44.

The spelling of 728481200444 in words is "seven hundred twenty-eight billion, four hundred eighty-one million, two hundred thousand, four hundred forty-four".