40666020664422 has 8 divisors (see below), whose sum is σ = 81332041328856. Its totient is φ = 13555340221472.

The previous prime is 40666020664361. The next prime is 40666020664441. The reversal of 40666020664422 is 22446602066604.

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

40666020664422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3388835055363 + ... + 3388835055374.

It is an arithmetic number, because the mean of its divisors is an integer number (10166505166107).

Almost surely, 2^{40666020664422} is an apocalyptic number.

40666020664422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40666020664422 is a wasteful number, since it uses less digits than its factorization.

40666020664422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777670110742.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 40666020664422 in words is "forty trillion, six hundred sixty-six billion, twenty million, six hundred sixty-four thousand, four hundred twenty-two".