43282840 has 32 divisors (see below), whose sum is σ = 98567280. Its totient is φ = 17103232.

The previous prime is 43282831. The next prime is 43282847. The reversal of 43282840 is 4828234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43282847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3199 + ... + 9838.

Almost surely, 2^43282840 is an apocalyptic number.

43282840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43282840 is an abundant number, since it is smaller than the sum of its proper divisors (55284440).

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

43282840 is a wasteful number, since it uses less digits than its factorization.

43282840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13131 (or 13127 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 43282840 is about 6578.9695241732. The cubic root of 43282840 is about 351.1062683672.

The spelling of 43282840 in words is "forty-three million, two hundred eighty-two thousand, eight hundred forty".