440431214 has 8 divisors (see below), whose sum is σ = 660870360. Its totient is φ = 220141096.

The previous prime is 440431183. The next prime is 440431217. The reversal of 440431214 is 412134044.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 440431214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440431217) 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 3 ways as a sum of consecutive naturals, for example, 29549 + ... + 41880.

It is an arithmetic number, because the mean of its divisors is an integer number (82608795).

Almost surely, 2^440431214 is an apocalyptic number.

440431214 is a deficient number, since it is larger than the sum of its proper divisors (220439146).

440431214 is a wasteful number, since it uses less digits than its factorization.

440431214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74514.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 440431214 is about 20986.4531067067. The cubic root of 440431214 is about 760.8388786554.

Adding to 440431214 its reverse (412134044), we get a palindrome (852565258).

The spelling of 440431214 in words is "four hundred forty million, four hundred thirty-one thousand, two hundred fourteen".