28816422436 has 24 divisors (see below), whose sum is σ = 54043496640. Its totient is φ = 13409285472.

The previous prime is 28816422389. The next prime is 28816422451. The reversal of 28816422436 is 63422461882.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 4229326 + ... + 4236133.

It is an arithmetic number, because the mean of its divisors is an integer number (2251812360).

Almost surely, 2^28816422436 is an apocalyptic number.

It is an amenable number.

28816422436 is a deficient number, since it is larger than the sum of its proper divisors (25227074204).

28816422436 is a wasteful number, since it uses less digits than its factorization.

28816422436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465523 (or 8465521 counting only the distinct ones).

The product of its digits is 884736, while the sum is 46.

The spelling of 28816422436 in words is "twenty-eight billion, eight hundred sixteen million, four hundred twenty-two thousand, four hundred thirty-six".