440140443 has 8 divisors (see below), whose sum is σ = 612369408. Its totient is φ = 280669224.

The previous prime is 440140429. The next prime is 440140447. The reversal of 440140443 is 344041044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 440140443 - 2¹⁰ = 440139419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440140447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3189355 + ... + 3189492.

It is an arithmetic number, because the mean of its divisors is an integer number (76546176).

Almost surely, 2^440140443 is an apocalyptic number.

440140443 is a deficient number, since it is larger than the sum of its proper divisors (172228965).

440140443 is a wasteful number, since it uses less digits than its factorization.

440140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378873.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 440140443 is about 20979.5243749709. The cubic root of 440140443 is about 760.6714074911.

Adding to 440140443 its reverse (344041044), we get a palindrome (784181487).

It can be divided in two parts, 4401 and 40443, that added together give a palindrome (44844).

The spelling of 440140443 in words is "four hundred forty million, one hundred forty thousand, four hundred forty-three".