4040564 has 24 divisors (see below), whose sum is σ = 7783776. Its totient is φ = 1820000.

The previous prime is 4040563. The next prime is 4040573. The reversal of 4040564 is 4650404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040563) 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, 5414 + ... + 6114.

It is an arithmetic number, because the mean of its divisors is an integer number (324324).

Almost surely, 2^4040564 is an apocalyptic number.

4040564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4040564 is a deficient number, since it is larger than the sum of its proper divisors (3743212).

4040564 is a wasteful number, since it uses less digits than its factorization.

4040564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4040564 is about 2010.1154195717. The cubic root of 4040564 is about 159.2748959481.

Adding to 4040564 its reverse (4650404), we get a palindrome (8690968).

It can be divided in two parts, 40 and 40564, that added together give a palindrome (40604).

The spelling of 4040564 in words is "four million, forty thousand, five hundred sixty-four".