440142214 has 8 divisors (see below), whose sum is σ = 688918320. Its totient is φ = 210502776.

The previous prime is 440142187. The next prime is 440142221. The reversal of 440142214 is 412241044.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4784109 + ... + 4784200.

It is an arithmetic number, because the mean of its divisors is an integer number (86114790).

Almost surely, 2^440142214 is an apocalyptic number.

440142214 is a deficient number, since it is larger than the sum of its proper divisors (248776106).

440142214 is a wasteful number, since it uses less digits than its factorization.

440142214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568334.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 440142214 is about 20979.5665827490. The cubic root of 440142214 is about 760.6724277316.

Adding to 440142214 its reverse (412241044), we get a palindrome (852383258).

The spelling of 440142214 in words is "four hundred forty million, one hundred forty-two thousand, two hundred fourteen".