40684841966 has 16 divisors (see below), whose sum is σ = 64624275360. Its totient is φ = 19143682560.

The previous prime is 40684841959. The next prime is 40684841971. The reversal of 40684841966 is 66914848604.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 268886 + ... + 392006.

It is an arithmetic number, because the mean of its divisors is an integer number (4039017210).

Almost surely, 2^40684841966 is an apocalyptic number.

40684841966 is a deficient number, since it is larger than the sum of its proper divisors (23939433394).

40684841966 is a wasteful number, since it uses less digits than its factorization.

40684841966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132859.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 40684841966 in words is "forty billion, six hundred eighty-four million, eight hundred forty-one thousand, nine hundred sixty-six".