4144518 has 72 divisors (see below), whose sum is σ = 10812672. Its totient is φ = 1143072.

The previous prime is 4144487. The next prime is 4144537. The reversal of 4144518 is 8154414.

It is a happy number.

4144518 is a `hidden beast` number, since 4 + 144 + 518 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4144491 and 4144500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32571 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (150176).

Almost surely, 2^4144518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4144518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5406336).

4144518 is an abundant number, since it is smaller than the sum of its proper divisors (6668154).

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

4144518 is a wasteful number, since it uses less digits than its factorization.

4144518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 176 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 4144518 is about 2035.8089301307. The cubic root of 4144518 is about 160.6292666936.

The spelling of 4144518 in words is "four million, one hundred forty-four thousand, five hundred eighteen".