40131164 has 12 divisors (see below), whose sum is σ = 71076264. Its totient is φ = 19823664.

The previous prime is 40131163. The next prime is 40131181. The reversal of 40131164 is 46113104.

It is a super-2 number, since 2×40131164² = 3221020647989792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131163) 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, 60107 + ... + 60770.

It is an arithmetic number, because the mean of its divisors is an integer number (5923022).

Almost surely, 2^40131164 is an apocalyptic number.

It is an amenable number.

40131164 is a deficient number, since it is larger than the sum of its proper divisors (30945100).

40131164 is a wasteful number, since it uses less digits than its factorization.

40131164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120964 (or 120962 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40131164 is about 6334.9162583258. The cubic root of 40131164 is about 342.3685936307.

Adding to 40131164 its reverse (46113104), we get a palindrome (86244268).

The spelling of 40131164 in words is "forty million, one hundred thirty-one thousand, one hundred sixty-four".