441280 has 56 divisors (see below), whose sum is σ = 1207008. Its totient is φ = 150528.

The previous prime is 441263. The next prime is 441281. The reversal of 441280 is 82144.

It is a tau number, because it is divible by the number of its divisors (56).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441281) by changing a digit.

441280 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 7 ways as a sum of consecutive naturals, for example, 2142 + ... + 2338.

2⁴⁴¹²⁸⁰ is an apocalyptic number.

441280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603504).

441280 is an abundant number, since it is smaller than the sum of its proper divisors (765728).

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

441280 is a wasteful number, since it uses less digits than its factorization.

441280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 441280 is about 664.2890936934. The cubic root of 441280 is about 76.1327320409.

The spelling of 441280 in words is "four hundred forty-one thousand, two hundred eighty".