40167109 has 4 divisors (see below), whose sum is σ = 40377600. Its totient is φ = 39956620.

The previous prime is 40167079. The next prime is 40167133. The reversal of 40167109 is 90176104.

40167109 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40167109 - 2⁷ = 40166981 is a prime.

It is a super-2 number, since 2×40167109² = 3226793290835762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40167199) 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 in 3 ways as a sum of consecutive naturals, for example, 104959 + ... + 105340.

It is an arithmetic number, because the mean of its divisors is an integer number (10094400).

Almost surely, 2^40167109 is an apocalyptic number.

It is an amenable number.

40167109 is a deficient number, since it is larger than the sum of its proper divisors (210491).

40167109 is a wasteful number, since it uses less digits than its factorization.

40167109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210490.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 40167109 is about 6337.7526774086. The cubic root of 40167109 is about 342.4707816018.

The spelling of 40167109 in words is "forty million, one hundred sixty-seven thousand, one hundred nine".