40808982 has 16 divisors (see below), whose sum is σ = 81704880. Its totient is φ = 13588512.

The previous prime is 40808953. The next prime is 40808983. The reversal of 40808982 is 28980804.

It is a happy number.

40808982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40808982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40808983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3588 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (5106555).

Almost surely, 2^40808982 is an apocalyptic number.

40808982 is an abundant number, since it is smaller than the sum of its proper divisors (40895898).

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

40808982 is a wasteful number, since it uses less digits than its factorization.

40808982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 40808982 is about 6388.1908236996. The cubic root of 40808982 is about 344.2853849096.

The spelling of 40808982 in words is "forty million, eight hundred eight thousand, nine hundred eighty-two".