40386577571 has 2 divisors, whose sum is σ = 40386577572. Its totient is φ = 40386577570.

The previous prime is 40386577547. The next prime is 40386577577. The reversal of 40386577571 is 17577568304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40386577571 - 2¹⁰ = 40386576547 is a prime.

It is not a weakly prime, because it can be changed into another prime (40386577577) 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, 20193288785 + 20193288786.

It is an arithmetic number, because the mean of its divisors is an integer number (20193288786).

Almost surely, 2^40386577571 is an apocalyptic number.

40386577571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40386577571 is an equidigital number, since it uses as much as digits as its factorization.

40386577571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 40386577571 in words is "forty billion, three hundred eighty-six million, five hundred seventy-seven thousand, five hundred seventy-one".