440110013 has 6 divisors (see below), whose sum is σ = 511964766. Its totient is φ = 377237112.

The previous prime is 440110009. The next prime is 440110051. The reversal of 440110013 is 310011044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 329712964 + 110397049 = 18158^2 + 10507^2 .

It is not a de Polignac number, because 440110013 - 2² = 440110009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 440110013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440118013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4490870 + ... + 4490967.

It is an arithmetic number, because the mean of its divisors is an integer number (85327461).

Almost surely, 2^440110013 is an apocalyptic number.

It is an amenable number.

440110013 is a deficient number, since it is larger than the sum of its proper divisors (71854753).

440110013 is an equidigital number, since it uses as much as digits as its factorization.

440110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981851 (or 8981844 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 440110013 is about 20978.7991315042. The cubic root of 440110013 is about 760.6538769016.

Adding to 440110013 its reverse (310011044), we get a palindrome (750121057).

The spelling of 440110013 in words is "four hundred forty million, one hundred ten thousand, thirteen".