4540044 has 24 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 1506064.

The previous prime is 4540027. The next prime is 4540049. The reversal of 4540044 is 4400454.

4540044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4540044² = 41223999043872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4540044.

It is not an unprimeable number, because it can be changed into a prime (4540049) 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, 2077 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^4540044 is an apocalyptic number.

It is an amenable number.

4540044 is an abundant number, since it is smaller than the sum of its proper divisors (6104436).

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

4540044 is a wasteful number, since it uses less digits than its factorization.

4540044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4540044 is about 2130.7379003528. The cubic root of 4540044 is about 165.5846294866.

Adding to 4540044 its reverse (4400454), we get a palindrome (8940498).

The spelling of 4540044 in words is "four million, five hundred forty thousand, forty-four".