28148830000 has 200 divisors, whose sum is σ = 70065859248. Its totient is φ = 10947456000.

The previous prime is 28148829991. The next prime is 28148830001. The reversal of 28148830000 is 3884182.

It is a tau number, because it is divible by the number of its divisors (200).

It is not an unprimeable number, because it can be changed into a prime (28148830001) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 91689847 + ... + 91690153.

Almost surely, 2^28148830000 is an apocalyptic number.

28148830000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28148830000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35032929624).

28148830000 is an abundant number, since it is smaller than the sum of its proper divisors (41917029248).

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

28148830000 is a wasteful number, since it uses less digits than its factorization.

28148830000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 28148830000 in words is "twenty-eight billion, one hundred forty-eight million, eight hundred thirty thousand".