40707169081 has 2 divisors, whose sum is σ = 40707169082. Its totient is φ = 40707169080.

The previous prime is 40707169067. The next prime is 40707169117. The reversal of 40707169081 is 18096170704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40585728681 + 121440400 = 201459^2 + 11020^2 .

It is a cyclic number.

It is not a de Polignac number, because 40707169081 - 2⁵ = 40707169049 is a prime.

It is a super-2 number, since 2×40707169081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40707169031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20353584540 + 20353584541.

It is an arithmetic number, because the mean of its divisors is an integer number (20353584541).

Almost surely, 2^40707169081 is an apocalyptic number.

It is an amenable number.

40707169081 is a deficient number, since it is larger than the sum of its proper divisors (1).

40707169081 is an equidigital number, since it uses as much as digits as its factorization.

40707169081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 40707169081 in words is "forty billion, seven hundred seven million, one hundred sixty-nine thousand, eighty-one".