440076 has 72 divisors (see below), whose sum is σ = 1311744. Its totient is φ = 112320.

The previous prime is 440047. The next prime is 440087. The reversal of 440076 is 670044.

440076 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

440076 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 23 ways as a sum of consecutive naturals, for example, 14181 + ... + 14211.

2⁴⁴⁰⁰⁷⁶ 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 440076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655872).

440076 is an abundant number, since it is smaller than the sum of its proper divisors (871668).

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

440076 is a wasteful number, since it uses less digits than its factorization.

440076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 440076 is about 663.3822427530. The cubic root of 440076 is about 76.0634281205.

The spelling of 440076 in words is "four hundred forty thousand, seventy-six".