440144041 has 4 divisors (see below), whose sum is σ = 440339284. Its totient is φ = 439948800.

The previous prime is 440144017. The next prime is 440144057. The reversal of 440144041 is 140441044.

It is a happy number.

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 268009641 + 172134400 = 16371^2 + 13120^2 .

It is a cyclic number.

It is not a de Polignac number, because 440144041 - 2⁵ = 440144009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440144141) 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, 94200 + ... + 98761.

It is an arithmetic number, because the mean of its divisors is an integer number (110084821).

Almost surely, 2^440144041 is an apocalyptic number.

It is an amenable number.

440144041 is a deficient number, since it is larger than the sum of its proper divisors (195243).

440144041 is a wasteful number, since it uses less digits than its factorization.

440144041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195242.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 440144041 is about 20979.6101250714. The cubic root of 440144041 is about 760.6734802298.

Adding to 440144041 its reverse (140441044), we get a palindrome (580585085).

The spelling of 440144041 in words is "four hundred forty million, one hundred forty-four thousand, forty-one".