28144184852 has 24 divisors (see below), whose sum is σ = 56313997824. Its totient is φ = 12056301792.

The previous prime is 28144184707. The next prime is 28144184909. The reversal of 28144184852 is 25848144182.

It is a junction number, because it is equal to n+sod(n) for n = 28144184797 and 28144184806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165923 + ... + 289514.

It is an arithmetic number, because the mean of its divisors is an integer number (2346416576).

Almost surely, 2^28144184852 is an apocalyptic number.

It is an amenable number.

28144184852 is an abundant number, since it is smaller than the sum of its proper divisors (28169812972).

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

28144184852 is a wasteful number, since it uses less digits than its factorization.

28144184852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457655 (or 457653 counting only the distinct ones).

The product of its digits is 655360, while the sum is 47.

The spelling of 28144184852 in words is "twenty-eight billion, one hundred forty-four million, one hundred eighty-four thousand, eight hundred fifty-two".