440316 has 42 divisors (see below), whose sum is σ = 1162952. Its totient is φ = 145800.

The previous prime is 440311. The next prime is 440329. The reversal of 440316 is 613044.

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

It is a plaindrome in base 13.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440311) by changing a digit.

440316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2841 + ... + 2991.

2⁴⁴⁰³¹⁶ 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 440316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581476).

440316 is an abundant number, since it is smaller than the sum of its proper divisors (722636).

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

440316 is a wasteful number, since it uses less digits than its factorization.

440316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 440316 is about 663.5631092820. The cubic root of 440316 is about 76.0772529335.

The spelling of 440316 in words is "four hundred forty thousand, three hundred sixteen".