43085240 has 64 divisors (see below), whose sum is σ = 106535520. Its totient is φ = 15552000.

The previous prime is 43085239. The next prime is 43085297. The reversal of 43085240 is 4258034.

43085240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79370 + ... + 79910.

Almost surely, 2^43085240 is an apocalyptic number.

43085240 is a gapful number since it is divisible by the number (40) 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 43085240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53267760).

43085240 is an abundant number, since it is smaller than the sum of its proper divisors (63450280).

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

43085240 is a wasteful number, since it uses less digits than its factorization.

43085240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 43085240 is about 6563.9347955323. The cubic root of 43085240 is about 350.5711490934.

The spelling of 43085240 in words is "forty-three million, eighty-five thousand, two hundred forty".