40234164 has 24 divisors (see below), whose sum is σ = 94036320. Its totient is φ = 13389024.

The previous prime is 40234163. The next prime is 40234171. The reversal of 40234164 is 46143204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5742 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (3918180).

Almost surely, 2^40234164 is an apocalyptic number.

It is an amenable number.

40234164 is an abundant number, since it is smaller than the sum of its proper divisors (53802156).

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

40234164 is a wasteful number, since it uses less digits than its factorization.

40234164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599 (or 5597 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40234164 is about 6343.0405958026. The cubic root of 40234164 is about 342.6612493066.

Adding to 40234164 its reverse (46143204), we get a palindrome (86377368).

The spelling of 40234164 in words is "forty million, two hundred thirty-four thousand, one hundred sixty-four".