40124186 has 4 divisors (see below), whose sum is σ = 60186282. Its totient is φ = 20062092.

The previous prime is 40124129. The next prime is 40124191. The reversal of 40124186 is 68142104.

40124186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27300625 + 12823561 = 5225^2 + 3581^2 .

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 as a sum of consecutive naturals, namely, 10031045 + ... + 10031048.

Almost surely, 2^40124186 is an apocalyptic number.

40124186 is a deficient number, since it is larger than the sum of its proper divisors (20062096).

40124186 is a wasteful number, since it uses less digits than its factorization.

40124186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20062095.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40124186 is about 6334.3654772992. The cubic root of 40124186 is about 342.3487488161.

The spelling of 40124186 in words is "forty million, one hundred twenty-four thousand, one hundred eighty-six".