40344166 has 8 divisors (see below), whose sum is σ = 60833664. Its totient is φ = 20066280.

The previous prime is 40344131. The next prime is 40344167. The reversal of 40344166 is 66144304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52425 + ... + 53188.

It is an arithmetic number, because the mean of its divisors is an integer number (7604208).

Almost surely, 2^40344166 is an apocalyptic number.

40344166 is a deficient number, since it is larger than the sum of its proper divisors (20489498).

40344166 is a wasteful number, since it uses less digits than its factorization.

40344166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105806.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 40344166 is about 6351.7057551496. The cubic root of 40344166 is about 342.9732488550.

The spelling of 40344166 in words is "forty million, three hundred forty-four thousand, one hundred sixty-six".