440444343 has 4 divisors (see below), whose sum is σ = 587259128. Its totient is φ = 293629560.

The previous prime is 440444293. The next prime is 440444359. The reversal of 440444343 is 343444044.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 440444343 - 2⁹ = 440443831 is a prime.

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 440444343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440444383) 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, 73407388 + ... + 73407393.

It is an arithmetic number, because the mean of its divisors is an integer number (146814782).

Almost surely, 2^440444343 is an apocalyptic number.

440444343 is a deficient number, since it is larger than the sum of its proper divisors (146814785).

440444343 is a wasteful number, since it uses less digits than its factorization.

440444343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146814784.

The product of its (nonzero) digits is 36864, while the sum is 30.

The square root of 440444343 is about 20986.7659013961. The cubic root of 440444343 is about 760.8464386360.

Adding to 440444343 its reverse (343444044), we get a palindrome (783888387).

The spelling of 440444343 in words is "four hundred forty million, four hundred forty-four thousand, three hundred forty-three".