40706636 has 24 divisors (see below), whose sum is σ = 76186656. Its totient is φ = 18963200.

The previous prime is 40706629. The next prime is 40706641. The reversal of 40706636 is 63660704.

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 7 ways as a sum of consecutive naturals, for example, 3905 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (3174444).

Almost surely, 2^40706636 is an apocalyptic number.

It is an amenable number.

40706636 is a deficient number, since it is larger than the sum of its proper divisors (35480020).

40706636 is a wasteful number, since it uses less digits than its factorization.

40706636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 40706636 is about 6380.1752327033. The cubic root of 40706636 is about 343.9973296169.

The spelling of 40706636 in words is "forty million, seven hundred six thousand, six hundred thirty-six".