40043323168 has 24 divisors (see below), whose sum is σ = 78979450032. Its totient is φ = 19985050176.

The previous prime is 40043323141. The next prime is 40043323169. The reversal of 40043323168 is 86132334004.

It is not an unprimeable number, because it can be changed into a prime (40043323169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126330 + ... + 1161337.

It is an arithmetic number, because the mean of its divisors is an integer number (3290810418).

Almost surely, 2^40043323168 is an apocalyptic number.

It is an amenable number.

40043323168 is a deficient number, since it is larger than the sum of its proper divisors (38936126864).

40043323168 is a wasteful number, since it uses less digits than its factorization.

40043323168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288224 (or 2288216 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 40043323168 in words is "forty billion, forty-three million, three hundred twenty-three thousand, one hundred sixty-eight".