28816459392 has 96 divisors (see below), whose sum is σ = 89040712320. Its totient is φ = 8233268736.

The previous prime is 28816459333. The next prime is 28816459423. The reversal of 28816459392 is 29395461882.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746928 + ... + 784559.

It is an arithmetic number, because the mean of its divisors is an integer number (927507420).

Almost surely, 2^28816459392 is an apocalyptic number.

It is an amenable number.

28816459392 is an abundant number, since it is smaller than the sum of its proper divisors (60224252928).

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

28816459392 is a wasteful number, since it uses less digits than its factorization.

28816459392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531518 (or 1531499 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The spelling of 28816459392 in words is "twenty-eight billion, eight hundred sixteen million, four hundred fifty-nine thousand, three hundred ninety-two".