4044018 has 32 divisors (see below), whose sum is σ = 8957952. Its totient is φ = 1206800.

The previous prime is 4044013. The next prime is 4044023. The reversal of 4044018 is 8104404.

It is an interprime number because it is at equal distance from previous prime (4044013) and next prime (4044023).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4043985 and 4044003.

It is not an unprimeable number, because it can be changed into a prime (4044013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4255 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (279936).

Almost surely, 2^4044018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4044018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4478976).

4044018 is an abundant number, since it is smaller than the sum of its proper divisors (4913934).

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

4044018 is a wasteful number, since it uses less digits than its factorization.

4044018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4044018 is about 2010.9743906873. The cubic root of 4044018 is about 159.3202674035.

The spelling of 4044018 in words is "four million, forty-four thousand, eighteen".