28485030200 has 96 divisors (see below), whose sum is σ = 73611873360. Its totient is φ = 10162713600.

The previous prime is 28485030199. The next prime is 28485030247. The reversal of 28485030200 is 203058482.

It is a super-2 number, since 2×28485030200² (a number of 22 digits) contains 22 as substring.

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, 5549 + ... + 238748.

Almost surely, 2^28485030200 is an apocalyptic number.

28485030200 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 28485030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36805936680).

28485030200 is an abundant number, since it is smaller than the sum of its proper divisors (45126843160).

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

28485030200 is a wasteful number, since it uses less digits than its factorization.

28485030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244377 (or 244368 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 28485030200 its reverse (203058482), we get a palindrome (28688088682).

The spelling of 28485030200 in words is "twenty-eight billion, four hundred eighty-five million, thirty thousand, two hundred".