440224241 has 4 divisors (see below), whose sum is σ = 440710512. Its totient is φ = 439737972.

The previous prime is 440224223. The next prime is 440224271. The reversal of 440224241 is 142422044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440224241 - 2⁶ = 440224177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440224271) 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, 241775 + ... + 243588.

It is an arithmetic number, because the mean of its divisors is an integer number (110177628).

Almost surely, 2^440224241 is an apocalyptic number.

It is an amenable number.

440224241 is a deficient number, since it is larger than the sum of its proper divisors (486271).

440224241 is an equidigital number, since it uses as much as digits as its factorization.

440224241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486270.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 440224241 is about 20981.5214176665. The cubic root of 440224241 is about 760.7196789756.

Adding to 440224241 its reverse (142422044), we get a palindrome (582646285).

The spelling of 440224241 in words is "four hundred forty million, two hundred twenty-four thousand, two hundred forty-one".