440344322 has 16 divisors (see below), whose sum is σ = 730436832. Its totient is φ = 197413920.

The previous prime is 440344309. The next prime is 440344327. The reversal of 440344322 is 223443044.

It is a junction number, because it is equal to n+sod(n) for n = 440344291 and 440344300.

It is not an unprimeable number, because it can be changed into a prime (440344327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135488 + ... + 138699.

It is an arithmetic number, because the mean of its divisors is an integer number (45652302).

Almost surely, 2^440344322 is an apocalyptic number.

440344322 is a deficient number, since it is larger than the sum of its proper divisors (290092510).

440344322 is a wasteful number, since it uses less digits than its factorization.

440344322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274273.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 440344322 is about 20984.3828119866. The cubic root of 440344322 is about 760.7888404520.

Adding to 440344322 its reverse (223443044), we get a palindrome (663787366).

The spelling of 440344322 in words is "four hundred forty million, three hundred forty-four thousand, three hundred twenty-two".