440143440001 has 4 divisors (see below), whose sum is σ = 440150377732. Its totient is φ = 440136502272.

The previous prime is 440143439993. The next prime is 440143440041. The reversal of 440143440001 is 100044341044.

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 354763184400 + 85380255601 = 595620^2 + 292199^2 .

It is a cyclic number.

It is not a de Polignac number, because 440143440001 - 2³ = 440143439993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440143440041) 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, 3372816 + ... + 3500881.

It is an arithmetic number, because the mean of its divisors is an integer number (110037594433).

Almost surely, 2^440143440001 is an apocalyptic number.

It is an amenable number.

440143440001 is a deficient number, since it is larger than the sum of its proper divisors (6937731).

440143440001 is an equidigital number, since it uses as much as digits as its factorization.

440143440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937730.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 440143440001 its reverse (100044341044), we get a palindrome (540187781045).

The spelling of 440143440001 in words is "four hundred forty billion, one hundred forty-three million, four hundred forty thousand, one".