40211406187 has 2 divisors, whose sum is σ = 40211406188. Its totient is φ = 40211406186.

The previous prime is 40211406167. The next prime is 40211406227. The reversal of 40211406187 is 78160411204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40211406187 is a prime.

It is not a weakly prime, because it can be changed into another prime (40211406107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20105703093 + 20105703094.

It is an arithmetic number, because the mean of its divisors is an integer number (20105703094).

Almost surely, 2^40211406187 is an apocalyptic number.

40211406187 is a deficient number, since it is larger than the sum of its proper divisors (1).

40211406187 is an equidigital number, since it uses as much as digits as its factorization.

40211406187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 40211406187 in words is "forty billion, two hundred eleven million, four hundred six thousand, one hundred eighty-seven".