40191059 has 2 divisors, whose sum is σ = 40191060. Its totient is φ = 40191058.

The previous prime is 40191001. The next prime is 40191079. The reversal of 40191059 is 95019104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40191059 - 2⁸ = 40190803 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40191079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20095529 + 20095530.

It is an arithmetic number, because the mean of its divisors is an integer number (20095530).

Almost surely, 2^40191059 is an apocalyptic number.

40191059 is a deficient number, since it is larger than the sum of its proper divisors (1).

40191059 is an equidigital number, since it uses as much as digits as its factorization.

40191059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 40191059 is about 6339.6418668565. The cubic root of 40191059 is about 342.5388351723.

The spelling of 40191059 in words is "forty million, one hundred ninety-one thousand, fifty-nine".