213244411400 has 24 divisors (see below), whose sum is σ = 495793256970. Its totient is φ = 85297764480.

The previous prime is 213244411399. The next prime is 213244411421. The reversal of 213244411400 is 4114442312.

213244411400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 169831355236 + 43413056164 = 412106^2 + 208358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213244411400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533110829 + ... + 533111228.

Almost surely, 2^213244411400 is an apocalyptic number.

213244411400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213244411400 is an abundant number, since it is smaller than the sum of its proper divisors (282548845570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213244411400 is a wasteful number, since it uses less digits than its factorization.

213244411400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066222073 (or 1066222064 counting only the distinct ones).

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

Adding to 213244411400 its reverse (4114442312), we get a palindrome (217358853712).

The spelling of 213244411400 in words is "two hundred thirteen billion, two hundred forty-four million, four hundred eleven thousand, four hundred".