40636146 has 8 divisors (see below), whose sum is σ = 81272304. Its totient is φ = 13545380.

The previous prime is 40636093. The next prime is 40636151. The reversal of 40636146 is 64163604.

40636146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

40636146 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3386340 + ... + 3386351.

It is an arithmetic number, because the mean of its divisors is an integer number (10159038).

Almost surely, 2^40636146 is an apocalyptic number.

40636146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40636146 is a wasteful number, since it uses less digits than its factorization.

40636146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772696.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40636146 is about 6374.6486962028. The cubic root of 40636146 is about 343.7986529042.

The spelling of 40636146 in words is "forty million, six hundred thirty-six thousand, one hundred forty-six".