40845599999 has 16 divisors (see below), whose sum is σ = 43176672000. Its totient is φ = 38532910464.

The previous prime is 40845599959. The next prime is 40845600017. The reversal of 40845599999 is 99999554804.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40845599999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40845599959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7562702 + ... + 7568100.

It is an arithmetic number, because the mean of its divisors is an integer number (2698542000).

Almost surely, 2^40845599999 is an apocalyptic number.

40845599999 is a deficient number, since it is larger than the sum of its proper divisors (2331072001).

40845599999 is a wasteful number, since it uses less digits than its factorization.

40845599999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022.

The product of its (nonzero) digits is 188956800, while the sum is 71.

The spelling of 40845599999 in words is "forty billion, eight hundred forty-five million, five hundred ninety-nine thousand, nine hundred ninety-nine".