40221108186 has 32 divisors (see below), whose sum is σ = 94418666880. Its totient is φ = 11181157056.

The previous prime is 40221108121. The next prime is 40221108203. The reversal of 40221108186 is 68180112204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12939601 + ... + 12942708.

It is an arithmetic number, because the mean of its divisors is an integer number (2950583340).

Almost surely, 2^40221108186 is an apocalyptic number.

40221108186 is an abundant number, since it is smaller than the sum of its proper divisors (54197558694).

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

40221108186 is a wasteful number, since it uses less digits than its factorization.

40221108186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25882358.

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 40221108186 in words is "forty billion, two hundred twenty-one million, one hundred eight thousand, one hundred eighty-six".