282481280 has 64 divisors (see below), whose sum is σ = 689748480. Its totient is φ = 110576640.

The previous prime is 282481271. The next prime is 282481289. The reversal of 282481280 is 82184282.

It is an interprime number because it is at equal distance from previous prime (282481271) and next prime (282481289).

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 282481280.

It is not an unprimeable number, because it can be changed into a prime (282481289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25385 + ... + 34775.

It is an arithmetic number, because the mean of its divisors is an integer number (10777320).

Almost surely, 2^282481280 is an apocalyptic number.

282481280 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 282481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344874240).

282481280 is an abundant number, since it is smaller than the sum of its proper divisors (407267200).

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

282481280 is an equidigital number, since it uses as much as digits as its factorization.

282481280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457 (or 9445 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 282481280 is about 16807.1794183319. The cubic root of 282481280 is about 656.1400652734.

The spelling of 282481280 in words is "two hundred eighty-two million, four hundred eighty-one thousand, two hundred eighty".