40589829977 has 2 divisors, whose sum is σ = 40589829978. Its totient is φ = 40589829976.

The previous prime is 40589829937. The next prime is 40589830013. The reversal of 40589829977 is 77992898504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26336096656 + 14253733321 = 162284^2 + 119389^2 .

It is a cyclic number.

It is not a de Polignac number, because 40589829977 - 2⁶ = 40589829913 is a prime.

It is not a weakly prime, because it can be changed into another prime (40589829937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20294914988 + 20294914989.

It is an arithmetic number, because the mean of its divisors is an integer number (20294914989).

Almost surely, 2^40589829977 is an apocalyptic number.

It is an amenable number.

40589829977 is a deficient number, since it is larger than the sum of its proper divisors (1).

40589829977 is an equidigital number, since it uses as much as digits as its factorization.

40589829977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91445760, while the sum is 68.

The spelling of 40589829977 in words is "forty billion, five hundred eighty-nine million, eight hundred twenty-nine thousand, nine hundred seventy-seven".