40471814459 has 2 divisors, whose sum is σ = 40471814460. Its totient is φ = 40471814458.

The previous prime is 40471814423. The next prime is 40471814483. The reversal of 40471814459 is 95441817404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40471814459 - 2¹⁶ = 40471748923 is a prime.

It is not a weakly prime, because it can be changed into another prime (40471814359) 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, 20235907229 + 20235907230.

It is an arithmetic number, because the mean of its divisors is an integer number (20235907230).

Almost surely, 2^40471814459 is an apocalyptic number.

40471814459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40471814459 is an equidigital number, since it uses as much as digits as its factorization.

40471814459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 40471814459 in words is "forty billion, four hundred seventy-one million, eight hundred fourteen thousand, four hundred fifty-nine".