40685142455827 has 2 divisors, whose sum is σ = 40685142455828. Its totient is φ = 40685142455826.

The previous prime is 40685142455819. The next prime is 40685142455857. The reversal of 40685142455827 is 72855424158604.

40685142455827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40685142455827 - 2³ = 40685142455819 is a prime.

It is not a weakly prime, because it can be changed into another prime (40685142455857) 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, 20342571227913 + 20342571227914.

It is an arithmetic number, because the mean of its divisors is an integer number (20342571227914).

Almost surely, 2^{40685142455827} is an apocalyptic number.

40685142455827 is a deficient number, since it is larger than the sum of its proper divisors (1).

40685142455827 is an equidigital number, since it uses as much as digits as its factorization.

40685142455827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016000, while the sum is 61.

The spelling of 40685142455827 in words is "forty trillion, six hundred eighty-five billion, one hundred forty-two million, four hundred fifty-five thousand, eight hundred twenty-seven".