440342111 has 12 divisors (see below), whose sum is σ = 484970136. Its totient is φ = 399519120.

The previous prime is 440342099. The next prime is 440342113. The reversal of 440342111 is 111243044.

It is not a de Polignac number, because 440342111 - 2¹⁰ = 440341087 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 (440342113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62861 + ... + 69513.

It is an arithmetic number, because the mean of its divisors is an integer number (40414178).

Almost surely, 2^440342111 is an apocalyptic number.

440342111 is a deficient number, since it is larger than the sum of its proper divisors (44628025).

440342111 is a wasteful number, since it uses less digits than its factorization.

440342111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222 (or 7211 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 440342111 is about 20984.3301298850. The cubic root of 440342111 is about 760.7875671250.

Adding to 440342111 its reverse (111243044), we get a palindrome (551585155).

The spelling of 440342111 in words is "four hundred forty million, three hundred forty-two thousand, one hundred eleven".