43682940 has 144 divisors (see below), whose sum is σ = 155692992. Its totient is φ = 9704448.

The previous prime is 43682929. The next prime is 43682953. The reversal of 43682940 is 4928634.

It is a happy number.

43682940 is a `hidden beast` number, since 4 + 368 + 294 + 0 = 666.

43682940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43682895 and 43682904.

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 47 ways as a sum of consecutive naturals, for example, 46152 + ... + 47088.

Almost surely, 2^43682940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43682940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77846496).

43682940 is an abundant number, since it is smaller than the sum of its proper divisors (112010052).

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

43682940 is a wasteful number, since it uses less digits than its factorization.

43682940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 43682940 is about 6609.3070741190. The cubic root of 43682940 is about 352.1848095473.

The spelling of 43682940 in words is "forty-three million, six hundred eighty-two thousand, nine hundred forty".