282552140 has 96 divisors (see below), whose sum is σ = 662323200. Its totient is φ = 100590336.

The previous prime is 282552139. The next prime is 282552163. The reversal of 282552140 is 41255282.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1419761 + ... + 1419959.

It is an arithmetic number, because the mean of its divisors is an integer number (6899200).

Almost surely, 2^282552140 is an apocalyptic number.

282552140 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 282552140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331161600).

282552140 is an abundant number, since it is smaller than the sum of its proper divisors (379771060).

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

282552140 is a wasteful number, since it uses less digits than its factorization.

282552140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 282552140 is about 16809.2873138631. The cubic root of 282552140 is about 656.1949245994.

The spelling of 282552140 in words is "two hundred eighty-two million, five hundred fifty-two thousand, one hundred forty".