40023422077 has 2 divisors, whose sum is σ = 40023422078. Its totient is φ = 40023422076.

The previous prime is 40023422057. The next prime is 40023422209. The reversal of 40023422077 is 77022432004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29327932516 + 10695489561 = 171254^2 + 103419^2 .

It is a cyclic number.

It is not a de Polignac number, because 40023422077 - 2¹⁵ = 40023389309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40023422027) 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, 20011711038 + 20011711039.

It is an arithmetic number, because the mean of its divisors is an integer number (20011711039).

Almost surely, 2^40023422077 is an apocalyptic number.

It is an amenable number.

40023422077 is a deficient number, since it is larger than the sum of its proper divisors (1).

40023422077 is an equidigital number, since it uses as much as digits as its factorization.

40023422077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 31.

The spelling of 40023422077 in words is "forty billion, twenty-three million, four hundred twenty-two thousand, seventy-seven".