28841227200 has 336 divisors, whose sum is σ = 109711906560. Its totient is φ = 7356349440.

The previous prime is 28841227193. The next prime is 28841227201. The reversal of 28841227200 is 272214882.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28841227201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 979087 + ... + 1008113.

Almost surely, 2^28841227200 is an apocalyptic number.

28841227200 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 28841227200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54855953280).

28841227200 is an abundant number, since it is smaller than the sum of its proper divisors (80870679360).

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

28841227200 is a wasteful number, since it uses less digits than its factorization.

28841227200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29081 (or 29060 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 28841227200 in words is "twenty-eight billion, eight hundred forty-one million, two hundred twenty-seven thousand, two hundred".