40166248811 has 8 divisors (see below), whose sum is σ = 43359202320. Its totient is φ = 36988044192.

The previous prime is 40166248799. The next prime is 40166248819. The reversal of 40166248811 is 11884266104.

It is a happy number.

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 40166248811 - 2¹⁰ = 40166247787 is a prime.

It is a super-2 number, since 2×40166248811² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40166248819) 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, 3681560 + ... + 3692453.

It is an arithmetic number, because the mean of its divisors is an integer number (5419900290).

Almost surely, 2^40166248811 is an apocalyptic number.

40166248811 is a deficient number, since it is larger than the sum of its proper divisors (3192953509).

40166248811 is a wasteful number, since it uses less digits than its factorization.

40166248811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374445.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 40166248811 in words is "forty billion, one hundred sixty-six million, two hundred forty-eight thousand, eight hundred eleven".