40001366342506 has 16 divisors (see below), whose sum is σ = 60009320393568. Its totient is φ = 19998259722000.

The previous prime is 40001366342489. The next prime is 40001366342507. The reversal of 40001366342506 is 60524366310004.

It is a happy number.

40001366342506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40001366342507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916368781 + ... + 916412431.

It is an arithmetic number, because the mean of its divisors is an integer number (3750582524598).

Almost surely, 2^{40001366342506} is an apocalyptic number.

40001366342506 is a deficient number, since it is larger than the sum of its proper divisors (20007954051062).

40001366342506 is a wasteful number, since it uses less digits than its factorization.

40001366342506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88677.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 40001366342506 in words is "forty trillion, one billion, three hundred sixty-six million, three hundred forty-two thousand, five hundred six".