40027054664666 has 32 divisors (see below), whose sum is σ = 63403511603520. Its totient is φ = 18899389152000.

The previous prime is 40027054664651. The next prime is 40027054664669. The reversal of 40027054664666 is 66646645072004.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40027054664669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18171965 + ... + 20255231.

It is an arithmetic number, because the mean of its divisors is an integer number (1981359737610).

Almost surely, 2^{40027054664666} is an apocalyptic number.

40027054664666 is a deficient number, since it is larger than the sum of its proper divisors (23376456938854).

40027054664666 is a wasteful number, since it uses less digits than its factorization.

40027054664666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084910.

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 40027054664666 in words is "forty trillion, twenty-seven billion, fifty-four million, six hundred sixty-four thousand, six hundred sixty-six".