40005566106155 has 16 divisors (see below), whose sum is σ = 51752094488640. Its totient is φ = 29512518365568.

The previous prime is 40005566106139. The next prime is 40005566106199. The reversal of 40005566106155 is 55160166550004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40005566106155 - 2⁴ = 40005566106139 is a prime.

It is an unprimeable number.

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, 312993200 + ... + 313120989.

It is an arithmetic number, because the mean of its divisors is an integer number (3234505905540).

Almost surely, 2^{40005566106155} is an apocalyptic number.

40005566106155 is a deficient number, since it is larger than the sum of its proper divisors (11746528382485).

40005566106155 is a wasteful number, since it uses less digits than its factorization.

40005566106155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626115190.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 40005566106155 in words is "forty trillion, five billion, five hundred sixty-six million, one hundred six thousand, one hundred fifty-five".