40382 has 8 divisors (see below), whose sum is σ = 61752. Its totient is φ = 19800.

The previous prime is 40361. The next prime is 40387. The reversal of 40382 is 28304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40382.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40382.

It is not an unprimeable number, because it can be changed into a prime (40387) by changing a digit.

40382 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 44 + ... + 287.

It is an arithmetic number, because the mean of its divisors is an integer number (7719).

2⁴⁰³⁸² is an apocalyptic number.

40382 is a deficient number, since it is larger than the sum of its proper divisors (21370).

40382 is a wasteful number, since it uses less digits than its factorization.

40382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40382 is about 200.9527307602. The cubic root of 40382 is about 34.3080426646.

Adding to 40382 its reverse (28304), we get a palindrome (68686).

The spelling of 40382 in words is "forty thousand, three hundred eighty-two".