40136066 has 8 divisors (see below), whose sum is σ = 60320784. Its totient is φ = 20029140.

The previous prime is 40136059. The next prime is 40136077. The reversal of 40136066 is 66063104.

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

It is a super-2 number, since 2×40136066² = 3221807587912712, which contains 22 as substring.

It is a Curzon 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, 18140 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (7540098).

Almost surely, 2^40136066 is an apocalyptic number.

40136066 is a deficient number, since it is larger than the sum of its proper divisors (20184718).

40136066 is a wasteful number, since it uses less digits than its factorization.

40136066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40136066 is about 6335.3031498106. The cubic root of 40136066 is about 342.3825331094.

The spelling of 40136066 in words is "forty million, one hundred thirty-six thousand, sixty-six".