440141 has 4 divisors (see below), whose sum is σ = 474012. Its totient is φ = 406272.

The previous prime is 440131. The next prime is 440159. The reversal of 440141 is 141044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 137641 = 550^2 + 371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16916 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (118503).

2⁴⁴⁰¹⁴¹ is an apocalyptic number.

It is an amenable number.

440141 is a deficient number, since it is larger than the sum of its proper divisors (33871).

440141 is a wasteful number, since it uses less digits than its factorization.

440141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33870.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 440141 is about 663.4312323067. The cubic root of 440141 is about 76.0671728369.

Adding to 440141 its reverse (141044), we get a palindrome (581185).

The spelling of 440141 in words is "four hundred forty thousand, one hundred forty-one", and thus it is an iban number.