40845599959 has 2 divisors, whose sum is σ = 40845599960. Its totient is φ = 40845599958.

The previous prime is 40845599957. The next prime is 40845600017. The reversal of 40845599959 is 95999554804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40845599959 - 2¹ = 40845599957 is a prime.

Together with 40845599957, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 40845599894 and 40845599903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40845599957) 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, 20422799979 + 20422799980.

It is an arithmetic number, because the mean of its divisors is an integer number (20422799980).

Almost surely, 2^40845599959 is an apocalyptic number.

40845599959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40845599959 is an equidigital number, since it uses as much as digits as its factorization.

40845599959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976000, while the sum is 67.

The spelling of 40845599959 in words is "forty billion, eight hundred forty-five million, five hundred ninety-nine thousand, nine hundred fifty-nine".