28080224646 has 8 divisors (see below), whose sum is σ = 56160449304. Its totient is φ = 9360074880.

The previous prime is 28080224633. The next prime is 28080224647. The reversal of 28080224646 is 64642208082.

It is a sphenic number, since it is the product of 3 distinct primes.

28080224646 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28080224598 and 28080224607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080224647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2340018715 + ... + 2340018726.

It is an arithmetic number, because the mean of its divisors is an integer number (7020056163).

Almost surely, 2^28080224646 is an apocalyptic number.

28080224646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28080224646 is a wasteful number, since it uses less digits than its factorization.

28080224646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680037446.

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 28080224646 in words is "twenty-eight billion, eighty million, two hundred twenty-four thousand, six hundred forty-six".