728076444404 has 6 divisors (see below), whose sum is σ = 1274133777714. Its totient is φ = 364038222200.

The previous prime is 728076444377. The next prime is 728076444443. The reversal of 728076444404 is 404444670827.

728076444404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 688654341904 + 39422102500 = 829852^2 + 198550^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91009555547 + ... + 91009555554.

It is an arithmetic number, because the mean of its divisors is an integer number (212355629619).

Almost surely, 2^728076444404 is an apocalyptic number.

It is an amenable number.

728076444404 is a deficient number, since it is larger than the sum of its proper divisors (546057333310).

728076444404 is a wasteful number, since it uses less digits than its factorization.

728076444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182019111105 (or 182019111103 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 50.

The spelling of 728076444404 in words is "seven hundred twenty-eight billion, seventy-six million, four hundred forty-four thousand, four hundred four".