1814404216 has 8 divisors (see below), whose sum is σ = 3402007920. Its totient is φ = 907202104.

The previous prime is 1814404213. The next prime is 1814404217. The reversal of 1814404216 is 6124044181.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814404213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113400256 + ... + 113400271.

It is an arithmetic number, because the mean of its divisors is an integer number (425250990).

Almost surely, 2^1814404216 is an apocalyptic number.

It is an amenable number.

1814404216 is a deficient number, since it is larger than the sum of its proper divisors (1587603704).

1814404216 is a wasteful number, since it uses less digits than its factorization.

1814404216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226800533 (or 226800529 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1814404216 is about 42595.8239267654. The cubic root of 1814404216 is about 1219.6765728700.

Adding to 1814404216 its reverse (6124044181), we get a palindrome (7938448397).

The spelling of 1814404216 in words is "one billion, eight hundred fourteen million, four hundred four thousand, two hundred sixteen".