40471468769 has 2 divisors, whose sum is σ = 40471468770. Its totient is φ = 40471468768.

The previous prime is 40471468753. The next prime is 40471468787. The reversal of 40471468769 is 96786417404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29890260544 + 10581208225 = 172888^2 + 102865^2 .

It is a cyclic number.

It is not a de Polignac number, because 40471468769 - 2⁴ = 40471468753 is a prime.

It is a super-2 number, since 2×40471468769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40471468729) 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, 20235734384 + 20235734385.

It is an arithmetic number, because the mean of its divisors is an integer number (20235734385).

Almost surely, 2^40471468769 is an apocalyptic number.

It is an amenable number.

40471468769 is a deficient number, since it is larger than the sum of its proper divisors (1).

40471468769 is an equidigital number, since it uses as much as digits as its factorization.

40471468769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 40471468769 in words is "forty billion, four hundred seventy-one million, four hundred sixty-eight thousand, seven hundred sixty-nine".