43280128 has 18 divisors (see below), whose sum is σ = 86391704. Its totient is φ = 21639936.

The previous prime is 43280117. The next prime is 43280129. The reversal of 43280128 is 82108234.

It is a junction number, because it is equal to n+sod(n) for n = 43280096 and 43280105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43280129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84276 + ... + 84787.

Almost surely, 2^43280128 is an apocalyptic number.

It is an amenable number.

43280128 is a deficient number, since it is larger than the sum of its proper divisors (43111576).

43280128 is an equidigital number, since it uses as much as digits as its factorization.

43280128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169079 (or 169065 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 43280128 is about 6578.7634096386. The cubic root of 43280128 is about 351.0989350522.

The spelling of 43280128 in words is "forty-three million, two hundred eighty thousand, one hundred twenty-eight".