4040164 has 18 divisors (see below), whose sum is σ = 7328594. Its totient is φ = 1948800.

The previous prime is 4040161. The next prime is 4040173. The reversal of 4040164 is 4610404.

It can be written as a sum of positive squares in 3 ways, for example, as 8100 + 4032064 = 90^2 + 2008^2 .

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040161) 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 5 ways as a sum of consecutive naturals, for example, 2764 + ... + 3964.

Almost surely, 2^4040164 is an apocalyptic number.

It is an amenable number.

4040164 is a deficient number, since it is larger than the sum of its proper divisors (3288430).

4040164 is a wasteful number, since it uses less digits than its factorization.

4040164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4040164 is about 2010.0159203350. The cubic root of 4040164 is about 159.2696399112.

Adding to 4040164 its reverse (4610404), we get a palindrome (8650568).

It can be divided in two parts, 40401 and 64, that multiplied together give a square (2585664 = 1608²).

The spelling of 4040164 in words is "four million, forty thousand, one hundred sixty-four".