28230690200 has 96 divisors (see below), whose sum is σ = 70224114000. Its totient is φ = 10522483200.

The previous prime is 28230690149. The next prime is 28230690217. The reversal of 28230690200 is 209603282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170906 + ... + 292694.

Almost surely, 2^28230690200 is an apocalyptic number.

28230690200 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 28230690200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35112057000).

28230690200 is an abundant number, since it is smaller than the sum of its proper divisors (41993423800).

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

28230690200 is a wasteful number, since it uses less digits than its factorization.

28230690200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121885 (or 121876 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 28230690200 in words is "twenty-eight billion, two hundred thirty million, six hundred ninety thousand, two hundred".