440231130011 has 4 divisors (see below), whose sum is σ = 440241635592. Its totient is φ = 440220624432.

The previous prime is 440231129981. The next prime is 440231130029. The reversal of 440231130011 is 110031132044.

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

It is a cyclic number.

It is not a de Polignac number, because 440231130011 - 2²⁶ = 440164021147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440231130211) 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, 5189681 + ... + 5273826.

It is an arithmetic number, because the mean of its divisors is an integer number (110060408898).

Almost surely, 2^440231130011 is an apocalyptic number.

440231130011 is a deficient number, since it is larger than the sum of its proper divisors (10505581).

440231130011 is a wasteful number, since it uses less digits than its factorization.

440231130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505580.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 440231130011 its reverse (110031132044), we get a palindrome (550262262055).

The spelling of 440231130011 in words is "four hundred forty billion, two hundred thirty-one million, one hundred thirty thousand, eleven".