40427327827 has 2 divisors, whose sum is σ = 40427327828. Its totient is φ = 40427327826.

The previous prime is 40427327821. The next prime is 40427327839. The reversal of 40427327827 is 72872372404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40427327827 is a prime.

It is not a weakly prime, because it can be changed into another prime (40427327821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20213663913 + 20213663914.

It is an arithmetic number, because the mean of its divisors is an integer number (20213663914).

Almost surely, 2^40427327827 is an apocalyptic number.

40427327827 is a deficient number, since it is larger than the sum of its proper divisors (1).

40427327827 is an equidigital number, since it uses as much as digits as its factorization.

40427327827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 40427327827 in words is "forty billion, four hundred twenty-seven million, three hundred twenty-seven thousand, eight hundred twenty-seven".