28545416824 has 32 divisors (see below), whose sum is σ = 55014858720. Its totient is φ = 13875428736.

The previous prime is 28545416819. The next prime is 28545416827. The reversal of 28545416824 is 42861454582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545416827) by changing a digit.

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, 322582 + ... + 401434.

It is an arithmetic number, because the mean of its divisors is an integer number (1719214335).

Almost surely, 2^28545416824 is an apocalyptic number.

It is an amenable number.

28545416824 is a deficient number, since it is larger than the sum of its proper divisors (26469441896).

28545416824 is a wasteful number, since it uses less digits than its factorization.

28545416824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80119 (or 80115 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 49.

The spelling of 28545416824 in words is "twenty-eight billion, five hundred forty-five million, four hundred sixteen thousand, eight hundred twenty-four".