4518444 has 24 divisors (see below), whose sum is σ = 12049408. Its totient is φ = 1290960.

The previous prime is 4518443. The next prime is 4518463. The reversal of 4518444 is 4448154.

It is a super-2 number, since 2×4518444² = 40832672362272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4518443) 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, 26812 + ... + 26979.

Almost surely, 2^4518444 is an apocalyptic number.

It is an amenable number.

4518444 is an abundant number, since it is smaller than the sum of its proper divisors (7530964).

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

4518444 is a wasteful number, since it uses less digits than its factorization.

4518444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53805 (or 53803 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 4518444 is about 2125.6631906302. The cubic root of 4518444 is about 165.3216133009.

The spelling of 4518444 in words is "four million, five hundred eighteen thousand, four hundred forty-four".