40166254820331 has 12 divisors (see below), whose sum is σ = 58019331308640. Its totient is φ = 26776853515440.

The previous prime is 40166254820299. The next prime is 40166254820339. The reversal of 40166254820331 is 13302845266104.

40166254820331 is a `hidden beast` number, since 4 + 0 + 1 + 66 + 254 + 8 + 2 + 0 + 331 = 666.

It is not a de Polignac number, because 40166254820331 - 2⁵ = 40166254820299 is a prime.

It is a super-2 number, since 2×40166254820331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166254820339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53749816 + ... + 54491973.

It is an arithmetic number, because the mean of its divisors is an integer number (4834944275720).

Almost surely, 2^{40166254820331} is an apocalyptic number.

40166254820331 is a deficient number, since it is larger than the sum of its proper divisors (17853076488309).

40166254820331 is a wasteful number, since it uses less digits than its factorization.

40166254820331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108283026 (or 108283023 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 40166254820331 in words is "forty trillion, one hundred sixty-six billion, two hundred fifty-four million, eight hundred twenty thousand, three hundred thirty-one".