440440141 has 8 divisors (see below), whose sum is σ = 446010624. Its totient is φ = 434896800.

The previous prime is 440440129. The next prime is 440440153. The reversal of 440440141 is 141044044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (440440129) and next prime (440440153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440440141 - 2⁵ = 440440109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440450141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26916 + ... + 40066.

It is an arithmetic number, because the mean of its divisors is an integer number (55751328).

Almost surely, 2^440440141 is an apocalyptic number.

It is an amenable number.

440440141 is a deficient number, since it is larger than the sum of its proper divisors (5570483).

440440141 is a wasteful number, since it uses less digits than its factorization.

440440141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571.

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

The square root of 440440141 is about 20986.6657904489. The cubic root of 440440141 is about 760.8440190440.

Adding to 440440141 its reverse (141044044), we get a palindrome (581484185).

The spelling of 440440141 in words is "four hundred forty million, four hundred forty thousand, one hundred forty-one".