440164214 has 16 divisors (see below), whose sum is σ = 754994688. Its totient is φ = 188534952.

The previous prime is 440164213. The next prime is 440164243. The reversal of 440164214 is 412461044.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440164213) 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, 19907 + ... + 35729.

It is an arithmetic number, because the mean of its divisors is an integer number (47187168).

Almost surely, 2^440164214 is an apocalyptic number.

440164214 is a deficient number, since it is larger than the sum of its proper divisors (314830474).

440164214 is a wasteful number, since it uses less digits than its factorization.

440164214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17819.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 440164214 is about 20980.0908958946. The cubic root of 440164214 is about 760.6851012979.

The spelling of 440164214 in words is "four hundred forty million, one hundred sixty-four thousand, two hundred fourteen".