40580976181 has 2 divisors, whose sum is σ = 40580976182. Its totient is φ = 40580976180.

The previous prime is 40580976151. The next prime is 40580976209. The reversal of 40580976181 is 18167908504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29773502500 + 10807473681 = 172550^2 + 103959^2 .

It is a cyclic number.

It is not a de Polignac number, because 40580976181 - 2²⁵ = 40547421749 is a prime.

It is a super-2 number, since 2×40580976181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40580976151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20290488090 + 20290488091.

It is an arithmetic number, because the mean of its divisors is an integer number (20290488091).

Almost surely, 2^40580976181 is an apocalyptic number.

It is an amenable number.

40580976181 is a deficient number, since it is larger than the sum of its proper divisors (1).

40580976181 is an equidigital number, since it uses as much as digits as its factorization.

40580976181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 40580976181 in words is "forty billion, five hundred eighty million, nine hundred seventy-six thousand, one hundred eighty-one".