40581682 has 8 divisors (see below), whose sum is σ = 64076400. Its totient is φ = 19222884.

The previous prime is 40581679. The next prime is 40581721. The reversal of 40581682 is 28618504.

40581682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 533932 + ... + 534007.

It is an arithmetic number, because the mean of its divisors is an integer number (8009550).

Almost surely, 2^40581682 is an apocalyptic number.

40581682 is a deficient number, since it is larger than the sum of its proper divisors (23494718).

40581682 is a wasteful number, since it uses less digits than its factorization.

40581682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067960.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 40581682 is about 6370.3753421600. The cubic root of 40581682 is about 343.6449882209.

The spelling of 40581682 in words is "forty million, five hundred eighty-one thousand, six hundred eighty-two".