40726342571 has 2 divisors, whose sum is σ = 40726342572. Its totient is φ = 40726342570.

The previous prime is 40726342561. The next prime is 40726342609. The reversal of 40726342571 is 17524362704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40726342571 - 2¹⁰ = 40726341547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40726342511) 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, 20363171285 + 20363171286.

It is an arithmetic number, because the mean of its divisors is an integer number (20363171286).

Almost surely, 2^40726342571 is an apocalyptic number.

40726342571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40726342571 is an equidigital number, since it uses as much as digits as its factorization.

40726342571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 40726342571 in words is "forty billion, seven hundred twenty-six million, three hundred forty-two thousand, five hundred seventy-one".