440120342 has 8 divisors (see below), whose sum is σ = 660318600. Its totient is φ = 220014144.

The previous prime is 440120333. The next prime is 440120347. The reversal of 440120342 is 243021044.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440120347) 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, 9467 + ... + 31142.

It is an arithmetic number, because the mean of its divisors is an integer number (82539825).

Almost surely, 2^440120342 is an apocalyptic number.

440120342 is a deficient number, since it is larger than the sum of its proper divisors (220198258).

440120342 is a wasteful number, since it uses less digits than its factorization.

440120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46030.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440120342 is about 20979.0453071631. The cubic root of 440120342 is about 760.6598274838.

Adding to 440120342 its reverse (243021044), we get a palindrome (683141386).

The spelling of 440120342 in words is "four hundred forty million, one hundred twenty thousand, three hundred forty-two".