40161045227 has 2 divisors, whose sum is σ = 40161045228. Its totient is φ = 40161045226.

The previous prime is 40161045203. The next prime is 40161045307. The reversal of 40161045227 is 72254016104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40161045227 - 2⁶ = 40161045163 is a prime.

It is a super-2 number, since 2×40161045227² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40161045193 and 40161045202.

It is not a weakly prime, because it can be changed into another prime (40161048227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20080522613 + 20080522614.

It is an arithmetic number, because the mean of its divisors is an integer number (20080522614).

Almost surely, 2^40161045227 is an apocalyptic number.

40161045227 is a deficient number, since it is larger than the sum of its proper divisors (1).

40161045227 is an equidigital number, since it uses as much as digits as its factorization.

40161045227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 40161045227 in words is "forty billion, one hundred sixty-one million, forty-five thousand, two hundred twenty-seven".