440118 has 36 divisors (see below), whose sum is σ = 1111500. Its totient is φ = 125496.

The previous prime is 440101. The next prime is 440131. The reversal of 440118 is 811044.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 440118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 633 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (30875).

2⁴⁴⁰¹¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555750).

440118 is an abundant number, since it is smaller than the sum of its proper divisors (671382).

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

440118 is a wasteful number, since it uses less digits than its factorization.

440118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 440118 is about 663.4138979551. The cubic root of 440118 is about 76.0658478255.

The spelling of 440118 in words is "four hundred forty thousand, one hundred eighteen".