40108636 has 6 divisors (see below), whose sum is σ = 70190120. Its totient is φ = 20054316.

The previous prime is 40108631. The next prime is 40108643. The reversal of 40108636 is 63680104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40108631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013576 + ... + 5013583.

Almost surely, 2^40108636 is an apocalyptic number.

It is an amenable number.

40108636 is a deficient number, since it is larger than the sum of its proper divisors (30081484).

40108636 is a wasteful number, since it uses less digits than its factorization.

40108636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027163 (or 10027161 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40108636 is about 6333.1379268101. The cubic root of 40108636 is about 342.3045177140.

The spelling of 40108636 in words is "forty million, one hundred eight thousand, six hundred thirty-six".