40188688087 has 2 divisors, whose sum is σ = 40188688088. Its totient is φ = 40188688086.

The previous prime is 40188688081. The next prime is 40188688093. The reversal of 40188688087 is 78088688104.

It is a balanced prime because it is at equal distance from previous prime (40188688081) and next prime (40188688093).

It is a cyclic number.

It is not a de Polignac number, because 40188688087 - 2¹¹ = 40188686039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40188688081) 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, 20094344043 + 20094344044.

It is an arithmetic number, because the mean of its divisors is an integer number (20094344044).

Almost surely, 2^40188688087 is an apocalyptic number.

40188688087 is a deficient number, since it is larger than the sum of its proper divisors (1).

40188688087 is an equidigital number, since it uses as much as digits as its factorization.

40188688087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5505024, while the sum is 58.

The spelling of 40188688087 in words is "forty billion, one hundred eighty-eight million, six hundred eighty-eight thousand, eighty-seven".