728801571580 has 12 divisors (see below), whose sum is σ = 1530483300360. Its totient is φ = 291520628624.

The previous prime is 728801571523. The next prime is 728801571581. The reversal of 728801571580 is 85175108827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728801571581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18220039270 + ... + 18220039309.

It is an arithmetic number, because the mean of its divisors is an integer number (127540275030).

Almost surely, 2^728801571580 is an apocalyptic number.

It is an amenable number.

728801571580 is an abundant number, since it is smaller than the sum of its proper divisors (801681728780).

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

728801571580 is a wasteful number, since it uses less digits than its factorization.

728801571580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36440078588 (or 36440078586 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 52.

The spelling of 728801571580 in words is "seven hundred twenty-eight billion, eight hundred one million, five hundred seventy-one thousand, five hundred eighty".