40009087388987 has 2 divisors, whose sum is σ = 40009087388988. Its totient is φ = 40009087388986.

The previous prime is 40009087388947. The next prime is 40009087388999. The reversal of 40009087388987 is 78988378090004.

40009087388987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40009087388987 - 2⁶ = 40009087388923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40009087388987.

It is not a weakly prime, because it can be changed into another prime (40009087388917) 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, 20004543694493 + 20004543694494.

It is an arithmetic number, because the mean of its divisors is an integer number (20004543694494).

Almost surely, 2^{40009087388987} is an apocalyptic number.

40009087388987 is a deficient number, since it is larger than the sum of its proper divisors (1).

40009087388987 is an equidigital number, since it uses as much as digits as its factorization.

40009087388987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 71.

The spelling of 40009087388987 in words is "forty trillion, nine billion, eighty-seven million, three hundred eighty-eight thousand, nine hundred eighty-seven".