213440200256 has 56 divisors (see below), whose sum is σ = 424629072000. Its totient is φ = 106447440384.

The previous prime is 213440200223. The next prime is 213440200313. The reversal of 213440200256 is 652002044312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49188935 + ... + 49193273.

It is an arithmetic number, because the mean of its divisors is an integer number (7582662000).

Almost surely, 2^213440200256 is an apocalyptic number.

It is an amenable number.

213440200256 is a deficient number, since it is larger than the sum of its proper divisors (211188871744).

213440200256 is a wasteful number, since it uses less digits than its factorization.

213440200256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139 (or 6129 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 213440200256 its reverse (652002044312), we get a palindrome (865442244568).

The spelling of 213440200256 in words is "two hundred thirteen billion, four hundred forty million, two hundred thousand, two hundred fifty-six".