213440200255 has 8 divisors (see below), whose sum is σ = 256187160000. Its totient is φ = 170712880416.

The previous prime is 213440200223. The next prime is 213440200313. The reversal of 213440200255 is 552002044312.

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

It is a cyclic number.

It is not a de Polignac number, because 213440200255 - 2⁵ = 213440200223 is a prime.

It is a super-3 number, since 3×213440200255³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4886055 + ... + 4929544.

It is an arithmetic number, because the mean of its divisors is an integer number (32023395000).

Almost surely, 2^213440200255 is an apocalyptic number.

213440200255 is a deficient number, since it is larger than the sum of its proper divisors (42746959745).

213440200255 is an equidigital number, since it uses as much as digits as its factorization.

213440200255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819953.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 213440200255 its reverse (552002044312), we get a palindrome (765442244567).

The spelling of 213440200255 in words is "two hundred thirteen billion, four hundred forty million, two hundred thousand, two hundred fifty-five".