40133686 has 8 divisors (see below), whose sum is σ = 60599664. Its totient is φ = 19933800.

The previous prime is 40133633. The next prime is 40133693. The reversal of 40133686 is 68633104.

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

It is a super-2 number, since 2×40133686² = 3221425503893192, 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, 66145 + ... + 66748.

It is an arithmetic number, because the mean of its divisors is an integer number (7574958).

Almost surely, 2^40133686 is an apocalyptic number.

40133686 is a deficient number, since it is larger than the sum of its proper divisors (20465978).

40133686 is a wasteful number, since it uses less digits than its factorization.

40133686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133046.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40133686 is about 6335.1153107106. The cubic root of 40133686 is about 342.3757654096.

The spelling of 40133686 in words is "forty million, one hundred thirty-three thousand, six hundred eighty-six".