28844333652 has 12 divisors (see below), whose sum is σ = 67303445216. Its totient is φ = 9614777880.

The previous prime is 28844333621. The next prime is 28844333671. The reversal of 28844333652 is 25633344882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 1201847224 + ... + 1201847247.

Almost surely, 2^28844333652 is an apocalyptic number.

It is an amenable number.

28844333652 is an abundant number, since it is smaller than the sum of its proper divisors (38459111564).

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

28844333652 is a wasteful number, since it uses less digits than its factorization.

28844333652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403694478 (or 2403694476 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 48.

The spelling of 28844333652 in words is "twenty-eight billion, eight hundred forty-four million, three hundred thirty-three thousand, six hundred fifty-two".