40164379 has 8 divisors (see below), whose sum is σ = 41233248. Its totient is φ = 39099840.

The previous prime is 40164349. The next prime is 40164401. The reversal of 40164379 is 97346104.

It is a happy number.

40164379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40164379 - 2⁹ = 40163867 is a prime.

It is a super-2 number, since 2×40164379² = 3226354680911282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40164329) 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 7 ways as a sum of consecutive naturals, for example, 27034 + ... + 28480.

It is an arithmetic number, because the mean of its divisors is an integer number (5154156).

Almost surely, 2^40164379 is an apocalyptic number.

40164379 is a deficient number, since it is larger than the sum of its proper divisors (1068869).

40164379 is a wasteful number, since it uses less digits than its factorization.

40164379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40164379 is about 6337.5372977206. The cubic root of 40164379 is about 342.4630226299.

The spelling of 40164379 in words is "forty million, one hundred sixty-four thousand, three hundred seventy-nine".