40327164 has 36 divisors (see below), whose sum is σ = 102440520. Its totient is φ = 13376160.

The previous prime is 40327141. The next prime is 40327181. The reversal of 40327164 is 46172304.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4942 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (2845570).

Almost surely, 2^40327164 is an apocalyptic number.

It is an amenable number.

40327164 is an abundant number, since it is smaller than the sum of its proper divisors (62113356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40327164 is a wasteful number, since it uses less digits than its factorization.

40327164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40327164 is about 6350.3672334756. The cubic root of 40327164 is about 342.9250630322.

Adding to 40327164 its reverse (46172304), we get a palindrome (86499468).

The spelling of 40327164 in words is "forty million, three hundred twenty-seven thousand, one hundred sixty-four".