40005009571 has 2 divisors, whose sum is σ = 40005009572. Its totient is φ = 40005009570.

The previous prime is 40005009493. The next prime is 40005009593. The reversal of 40005009571 is 17590050004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40005009571 - 2²⁹ = 39468138659 is a prime.

It is not a weakly prime, because it can be changed into another prime (40005000571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002504785 + 20002504786.

It is an arithmetic number, because the mean of its divisors is an integer number (20002504786).

Almost surely, 2^40005009571 is an apocalyptic number.

40005009571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40005009571 is an equidigital number, since it uses as much as digits as its factorization.

40005009571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

Adding to 40005009571 its reverse (17590050004), we get a palindrome (57595059575).

The spelling of 40005009571 in words is "forty billion, five million, nine thousand, five hundred seventy-one".