40041801368 has 8 divisors (see below), whose sum is σ = 75078377580. Its totient is φ = 20020900680.

The previous prime is 40041801367. The next prime is 40041801391. The reversal of 40041801368 is 86310814004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041801367) 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, 2502612578 + ... + 2502612593.

Almost surely, 2^40041801368 is an apocalyptic number.

It is an amenable number.

40041801368 is a deficient number, since it is larger than the sum of its proper divisors (35036576212).

40041801368 is a wasteful number, since it uses less digits than its factorization.

40041801368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005225177 (or 5005225173 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 40041801368 in words is "forty billion, forty-one million, eight hundred one thousand, three hundred sixty-eight".