40396091999999 has 8 divisors (see below), whose sum is σ = 40753718831520. Its totient is φ = 40038467612416.

The previous prime is 40396091999993. The next prime is 40396092000059. The reversal of 40396091999999 is 99999919069304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40396091999999 - 2⁴⁰ = 39296580372223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40396091999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40396091999993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54487307 + ... + 55223715.

It is an arithmetic number, because the mean of its divisors is an integer number (5094214853940).

Almost surely, 2^{40396091999999} is an apocalyptic number.

40396091999999 is a deficient number, since it is larger than the sum of its proper divisors (357626831521).

40396091999999 is a wasteful number, since it uses less digits than its factorization.

40396091999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221969.

The product of its (nonzero) digits is 3099363912, while the sum is 86.

The spelling of 40396091999999 in words is "forty trillion, three hundred ninety-six billion, ninety-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".