440112043 has 4 divisors (see below), whose sum is σ = 502985200. Its totient is φ = 377238888.

The previous prime is 440112037. The next prime is 440112059. The reversal of 440112043 is 340211044.

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 440112043 - 2⁹ = 440111531 is a prime.

It is a super-2 number, since 2×440112043² = 387397220787267698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440112043.

It is not an unprimeable number, because it can be changed into a prime (440112073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31436568 + ... + 31436581.

It is an arithmetic number, because the mean of its divisors is an integer number (125746300).

Almost surely, 2^440112043 is an apocalyptic number.

440112043 is a deficient number, since it is larger than the sum of its proper divisors (62873157).

440112043 is an equidigital number, since it uses as much as digits as its factorization.

440112043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62873156.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 440112043 is about 20978.8475136267. The cubic root of 440112043 is about 760.6550464008.

Adding to 440112043 its reverse (340211044), we get a palindrome (780323087).

Subtracting from 440112043 its reverse (340211044), we obtain a palindrome (99900999).

The spelling of 440112043 in words is "four hundred forty million, one hundred twelve thousand, forty-three".