40182008 has 16 divisors (see below), whose sum is σ = 75411000. Its totient is φ = 20072416.

The previous prime is 40181993. The next prime is 40182053. The reversal of 40182008 is 80028104.

It is a super-2 number, since 2×40182008² = 3229187533824128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable 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, 12203 + ... + 15141.

Almost surely, 2^40182008 is an apocalyptic number.

It is an amenable number.

40182008 is a deficient number, since it is larger than the sum of its proper divisors (35228992).

40182008 is a wasteful number, since it uses less digits than its factorization.

40182008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 40182008 is about 6338.9279850776. The cubic root of 40182008 is about 342.5131200686.

The spelling of 40182008 in words is "forty million, one hundred eighty-two thousand, eight".