728545229380 has 96 divisors (see below), whose sum is σ = 1545966051840. Its totient is φ = 288388546560.

The previous prime is 728545229329. The next prime is 728545229407. The reversal of 728545229380 is 83922545827.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784224756 + ... + 784225684.

It is an arithmetic number, because the mean of its divisors is an integer number (16103813040).

Almost surely, 2^728545229380 is an apocalyptic number.

It is an amenable number.

728545229380 is an abundant number, since it is smaller than the sum of its proper divisors (817420822460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728545229380 is a wasteful number, since it uses less digits than its factorization.

728545229380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 728545229380 in words is "seven hundred twenty-eight billion, five hundred forty-five million, two hundred twenty-nine thousand, three hundred eighty".