440000111 has 4 divisors (see below), whose sum is σ = 447457800. Its totient is φ = 432542424.

The previous prime is 440000107. The next prime is 440000131. The reversal of 440000111 is 111000044.

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 440000111 - 2² = 440000107 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 440000092 and 440000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728756 + ... + 3728873.

It is an arithmetic number, because the mean of its divisors is an integer number (111864450).

Almost surely, 2^440000111 is an apocalyptic number.

440000111 is a deficient number, since it is larger than the sum of its proper divisors (7457689).

440000111 is an equidigital number, since it uses as much as digits as its factorization.

440000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457688.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 440000111 is about 20976.1796092615. The cubic root of 440000111 is about 760.5905561110.

Adding to 440000111 its reverse (111000044), we get a palindrome (551000155).

The spelling of 440000111 in words is "four hundred forty million, one hundred eleven", and thus it is an aban number.