28341648560 has 80 divisors (see below), whose sum is σ = 67226801376. Its totient is φ = 11109187584.

The previous prime is 28341648551. The next prime is 28341648649. The reversal of 28341648560 is 6584614382.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020782 + ... + 1048178.

Almost surely, 2^28341648560 is an apocalyptic number.

28341648560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28341648560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33613400688).

28341648560 is an abundant number, since it is smaller than the sum of its proper divisors (38885152816).

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

28341648560 is a wasteful number, since it uses less digits than its factorization.

28341648560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27670 (or 27664 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 28341648560 in words is "twenty-eight billion, three hundred forty-one million, six hundred forty-eight thousand, five hundred sixty".