440011111111 has 16 divisors (see below), whose sum is σ = 516965224608. Its totient is φ = 369219312000.

The previous prime is 440011111093. The next prime is 440011111123. The reversal of 440011111111 is 111111110044.

It is not a de Polignac number, because 440011111111 - 2²¹ = 440009013959 is a prime.

It is a super-2 number, since 2×440011111111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

440011111111 is a modest number, since divided by 1111111 gives 44001 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440011111151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2797905 + ... + 2950981.

It is an arithmetic number, because the mean of its divisors is an integer number (32310326538).

Almost surely, 2^440011111111 is an apocalyptic number.

440011111111 is a deficient number, since it is larger than the sum of its proper divisors (76954113497).

440011111111 is a wasteful number, since it uses less digits than its factorization.

440011111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173202.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 440011111111 its reverse (111111110044), we get a palindrome (551122221155).

The spelling of 440011111111 in words is "four hundred forty billion, eleven million, one hundred eleven thousand, one hundred eleven".