40816582 has 24 divisors (see below), whose sum is σ = 64661184. Its totient is φ = 19321104.

The previous prime is 40816577. The next prime is 40816583. The reversal of 40816582 is 28561804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40816583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182923 + ... + 183145.

It is an arithmetic number, because the mean of its divisors is an integer number (2694216).

Almost surely, 2^40816582 is an apocalyptic number.

40816582 is a deficient number, since it is larger than the sum of its proper divisors (23844602).

40816582 is a wasteful number, since it uses less digits than its factorization.

40816582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 421 counting only the distinct ones).

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

The square root of 40816582 is about 6388.7856436102. The cubic root of 40816582 is about 344.3067560750.

The spelling of 40816582 in words is "forty million, eight hundred sixteen thousand, five hundred eighty-two".