40166498 has 16 divisors (see below), whose sum is σ = 61691136. Its totient is φ = 19608480.

The previous prime is 40166459. The next prime is 40166509. The reversal of 40166498 is 89466104.

40166498 is nontrivially palindromic in base 16.

It is a super-2 number, since 2×40166498² = 3226695123168008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13703 + ... + 16373.

It is an arithmetic number, because the mean of its divisors is an integer number (3855696).

Almost surely, 2^40166498 is an apocalyptic number.

40166498 is a deficient number, since it is larger than the sum of its proper divisors (21524638).

40166498 is a wasteful number, since it uses less digits than its factorization.

40166498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40166498 is about 6337.7044740190. The cubic root of 40166498 is about 342.4690451005.

The spelling of 40166498 in words is "forty million, one hundred sixty-six thousand, four hundred ninety-eight".