441540 has 72 divisors (see below), whose sum is σ = 1467648. Its totient is φ = 106560.

The previous prime is 441527. The next prime is 441547. The reversal of 441540 is 45144.

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

It is not an unprimeable number, because it can be changed into a prime (441547) by changing a digit.

441540 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, 1869 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (20384).

2⁴⁴¹⁵⁴⁰ 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 441540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733824).

441540 is an abundant number, since it is smaller than the sum of its proper divisors (1026108).

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

441540 is a wasteful number, since it uses less digits than its factorization.

441540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 441540 is about 664.4847628050. The cubic root of 441540 is about 76.1476814487.

Adding to 441540 its reverse (45144), we get a palindrome (486684).

The spelling of 441540 in words is "four hundred forty-one thousand, five hundred forty".