40166354 has 4 divisors (see below), whose sum is σ = 60249534. Its totient is φ = 20083176.

The previous prime is 40166353. The next prime is 40166369. The reversal of 40166354 is 45366104.

It is a happy number.

40166354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39400729 + 765625 = 6277^2 + 875^2 .

It is a super-2 number, since 2×40166354² = 3226671987306632, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40166353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041587 + ... + 10041590.

Almost surely, 2^40166354 is an apocalyptic number.

40166354 is a deficient number, since it is larger than the sum of its proper divisors (20083180).

40166354 is a wasteful number, since it uses less digits than its factorization.

40166354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083179.

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

The square root of 40166354 is about 6337.6931134286. The cubic root of 40166354 is about 342.4686358407.

The spelling of 40166354 in words is "forty million, one hundred sixty-six thousand, three hundred fifty-four".