17028409728 has 64 divisors (see below), whose sum is σ = 49343699520. Its totient is φ = 5160122880.

The previous prime is 17028409711. The next prime is 17028409733. The reversal of 17028409728 is 82790482071.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2011450 + ... + 2019897.

It is an arithmetic number, because the mean of its divisors is an integer number (770995305).

Almost surely, 2^17028409728 is an apocalyptic number.

It is an amenable number.

17028409728 is an abundant number, since it is smaller than the sum of its proper divisors (32315289792).

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

17028409728 is a wasteful number, since it uses less digits than its factorization.

17028409728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031375 (or 4031363 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 17028409728 in words is "seventeen billion, twenty-eight million, four hundred nine thousand, seven hundred twenty-eight".