40488321859 has 2 divisors, whose sum is σ = 40488321860. Its totient is φ = 40488321858.

The previous prime is 40488321857. The next prime is 40488321877. The reversal of 40488321859 is 95812388404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40488321859 - 2¹ = 40488321857 is a prime.

Together with 40488321857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40488321857) 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, 20244160929 + 20244160930.

It is an arithmetic number, because the mean of its divisors is an integer number (20244160930).

Almost surely, 2^40488321859 is an apocalyptic number.

40488321859 is a deficient number, since it is larger than the sum of its proper divisors (1).

40488321859 is an equidigital number, since it uses as much as digits as its factorization.

40488321859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 40488321859 in words is "forty billion, four hundred eighty-eight million, three hundred twenty-one thousand, eight hundred fifty-nine".