40806382 has 8 divisors (see below), whose sum is σ = 61466400. Its totient is φ = 20317584.

The previous prime is 40806373. The next prime is 40806397. The reversal of 40806382 is 28360804.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42207 + ... + 43162.

It is an arithmetic number, because the mean of its divisors is an integer number (7683300).

Almost surely, 2^40806382 is an apocalyptic number.

40806382 is a deficient number, since it is larger than the sum of its proper divisors (20660018).

40806382 is a wasteful number, since it uses less digits than its factorization.

40806382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85610.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40806382 is about 6387.9873199624. The cubic root of 40806382 is about 344.2780731123.

The spelling of 40806382 in words is "forty million, eight hundred six thousand, three hundred eighty-two".