440004140111 has 4 divisors (see below), whose sum is σ = 441925555800. Its totient is φ = 438082724424.

The previous prime is 440004139997. The next prime is 440004140117. The reversal of 440004140111 is 111041400044.

It is a happy number.

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 440004140111 - 2¹⁰ = 440004139087 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 (440004140117) 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, 960707501 + ... + 960707958.

It is an arithmetic number, because the mean of its divisors is an integer number (110481388950).

Almost surely, 2^440004140111 is an apocalyptic number.

440004140111 is a deficient number, since it is larger than the sum of its proper divisors (1921415689).

440004140111 is a wasteful number, since it uses less digits than its factorization.

440004140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921415688.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 440004140111 its reverse (111041400044), we get a palindrome (551045540155).

The spelling of 440004140111 in words is "four hundred forty billion, four million, one hundred forty thousand, one hundred eleven".