280224000 has 432 divisors, whose sum is σ = 1160664960. Its totient is φ = 63590400.

The previous prime is 280223987. The next prime is 280224031. The reversal of 280224000 is 422082.

280224000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2015931 + ... + 2016069.

Almost surely, 2^280224000 is an apocalyptic number.

280224000 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 280224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580332480).

280224000 is an abundant number, since it is smaller than the sum of its proper divisors (880440960).

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

280224000 is a wasteful number, since it uses less digits than its factorization.

280224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 280224000 is about 16739.8924727729. The cubic root of 280224000 is about 654.3876724064.

Adding to 280224000 its reverse (422082), we get a palindrome (280646082).

The spelling of 280224000 in words is "two hundred eighty million, two hundred twenty-four thousand".