40065382087 has 2 divisors, whose sum is σ = 40065382088. Its totient is φ = 40065382086.

The previous prime is 40065382073. The next prime is 40065382109. The reversal of 40065382087 is 78028356004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40065382087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40065382067) 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, 20032691043 + 20032691044.

It is an arithmetic number, because the mean of its divisors is an integer number (20032691044).

Almost surely, 2^40065382087 is an apocalyptic number.

40065382087 is a deficient number, since it is larger than the sum of its proper divisors (1).

40065382087 is an equidigital number, since it uses as much as digits as its factorization.

40065382087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 40065382087 in words is "forty billion, sixty-five million, three hundred eighty-two thousand, eighty-seven".