28533367448 has 16 divisors (see below), whose sum is σ = 55225872960. Its totient is φ = 13806468000.

The previous prime is 28533367433. The next prime is 28533367469. The reversal of 28533367448 is 84476333582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28533367448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57526703 + ... + 57527198.

It is an arithmetic number, because the mean of its divisors is an integer number (3451617060).

Almost surely, 2^28533367448 is an apocalyptic number.

It is an amenable number.

28533367448 is a deficient number, since it is larger than the sum of its proper divisors (26692505512).

28533367448 is a wasteful number, since it uses less digits than its factorization.

28533367448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115053938 (or 115053934 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The spelling of 28533367448 in words is "twenty-eight billion, five hundred thirty-three million, three hundred sixty-seven thousand, four hundred forty-eight".