40422043177 has 2 divisors, whose sum is σ = 40422043178. Its totient is φ = 40422043176.

The previous prime is 40422043171. The next prime is 40422043219. The reversal of 40422043177 is 77134022404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32895439641 + 7526603536 = 181371^2 + 86756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40422043177 is a prime.

It is not a weakly prime, because it can be changed into another prime (40422043171) 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, 20211021588 + 20211021589.

It is an arithmetic number, because the mean of its divisors is an integer number (20211021589).

Almost surely, 2^40422043177 is an apocalyptic number.

It is an amenable number.

40422043177 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422043177 is an equidigital number, since it uses as much as digits as its factorization.

40422043177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 40422043177 in words is "forty billion, four hundred twenty-two million, forty-three thousand, one hundred seventy-seven".