40221120187 has 2 divisors, whose sum is σ = 40221120188. Its totient is φ = 40221120186.

The previous prime is 40221120167. The next prime is 40221120223. The reversal of 40221120187 is 78102112204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40221120187 - 2³⁵ = 5861381819 is a prime.

It is not a weakly prime, because it can be changed into another prime (40221120167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110560093 + 20110560094.

It is an arithmetic number, because the mean of its divisors is an integer number (20110560094).

Almost surely, 2^40221120187 is an apocalyptic number.

40221120187 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221120187 is an equidigital number, since it uses as much as digits as its factorization.

40221120187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

The spelling of 40221120187 in words is "forty billion, two hundred twenty-one million, one hundred twenty thousand, one hundred eighty-seven".