4018144 has 36 divisors (see below), whose sum is σ = 8577576. Its totient is φ = 1852032.

The previous prime is 4018109. The next prime is 4018151. The reversal of 4018144 is 4418104.

It is a super-2 number, since 2×4018144² = 32290962409472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 5037 + ... + 5779.

It is an arithmetic number, because the mean of its divisors is an integer number (238266).

Almost surely, 2^4018144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4018144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4288788).

4018144 is an abundant number, since it is smaller than the sum of its proper divisors (4559432).

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

4018144 is a wasteful number, since it uses less digits than its factorization.

4018144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 4018144 is about 2004.5308678092. The cubic root of 4018144 is about 158.9797582449.

The spelling of 4018144 in words is "four million, eighteen thousand, one hundred forty-four".