28497841200 has 600 divisors, whose sum is σ = 111853019520. Its totient is φ = 6917529600.

The previous prime is 28497841189. The next prime is 28497841213. The reversal of 28497841200 is 214879482.

28497841200 is a `hidden beast` number, since 284 + 97 + 84 + 1 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 17073966 + ... + 17075634.

Almost surely, 2^28497841200 is an apocalyptic number.

28497841200 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 28497841200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55926509760).

28497841200 is an abundant number, since it is smaller than the sum of its proper divisors (83355178320).

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

28497841200 is a wasteful number, since it uses less digits than its factorization.

28497841200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 28497841200 in words is "twenty-eight billion, four hundred ninety-seven million, eight hundred forty-one thousand, two hundred".