40166271484823 has 8 divisors (see below), whose sum is σ = 43872729077520. Its totient is φ = 36468976953280.

The previous prime is 40166271484793. The next prime is 40166271484831. The reversal of 40166271484823 is 32848417266104.

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

It is a cyclic number.

It is not a de Polignac number, because 40166271484823 - 2²⁰ = 40166270436247 is a prime.

It is a super-2 number, since 2×40166271484823² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166271484523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290756118 + ... + 2290773651.

It is an arithmetic number, because the mean of its divisors is an integer number (5484091134690).

Almost surely, 2^{40166271484823} is an apocalyptic number.

40166271484823 is a deficient number, since it is larger than the sum of its proper divisors (3706457592697).

40166271484823 is a wasteful number, since it uses less digits than its factorization.

40166271484823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581530577.

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 40166271484823 in words is "forty trillion, one hundred sixty-six billion, two hundred seventy-one million, four hundred eighty-four thousand, eight hundred twenty-three".