40383774677 has 2 divisors, whose sum is σ = 40383774678. Its totient is φ = 40383774676.

The previous prime is 40383774661. The next prime is 40383774701. The reversal of 40383774677 is 77647738304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31196743876 + 9187030801 = 176626^2 + 95849^2 .

It is a cyclic number.

It is not a de Polignac number, because 40383774677 - 2⁴ = 40383774661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40383774077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20191887338 + 20191887339.

It is an arithmetic number, because the mean of its divisors is an integer number (20191887339).

Almost surely, 2^40383774677 is an apocalyptic number.

It is an amenable number.

40383774677 is a deficient number, since it is larger than the sum of its proper divisors (1).

40383774677 is an equidigital number, since it uses as much as digits as its factorization.

40383774677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16595712, while the sum is 56.

The spelling of 40383774677 in words is "forty billion, three hundred eighty-three million, seven hundred seventy-four thousand, six hundred seventy-seven".