40534166 has 16 divisors (see below), whose sum is σ = 63099456. Its totient is φ = 19512576.

The previous prime is 40534159. The next prime is 40534181. The reversal of 40534166 is 66143504.

It is a happy number.

It is a super-2 number, since 2×40534166² = 3286037226631112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4355 + ... + 10001.

It is an arithmetic number, because the mean of its divisors is an integer number (3943716).

Almost surely, 2^40534166 is an apocalyptic number.

40534166 is a deficient number, since it is larger than the sum of its proper divisors (22565290).

40534166 is a wasteful number, since it uses less digits than its factorization.

40534166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40534166 is about 6366.6447992644. The cubic root of 40534166 is about 343.5108142822.

The spelling of 40534166 in words is "forty million, five hundred thirty-four thousand, one hundred sixty-six".