28818229000 has 128 divisors (see below), whose sum is σ = 74296310400. Its totient is φ = 10375200000.

The previous prime is 28818228983. The next prime is 28818229061. The reversal of 28818229000 is 92281882.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 31 ways as a sum of consecutive naturals, for example, 1098031 + ... + 1123969.

It is an arithmetic number, because the mean of its divisors is an integer number (580439925).

Almost surely, 2^28818229000 is an apocalyptic number.

28818229000 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 28818229000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37148155200).

28818229000 is an abundant number, since it is smaller than the sum of its proper divisors (45478081400).

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

28818229000 is a wasteful number, since it uses less digits than its factorization.

28818229000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26072 (or 26058 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 28818229000 in words is "twenty-eight billion, eight hundred eighteen million, two hundred twenty-nine thousand".