213440211424 has 48 divisors (see below), whose sum is σ = 458689268016. Its totient is φ = 96959462400.

The previous prime is 213440211419. The next prime is 213440211433. The reversal of 213440211424 is 424112044312.

It is a junction number, because it is equal to n+sod(n) for n = 213440211392 and 213440211401.

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, 400294 + ... + 766234.

It is an arithmetic number, because the mean of its divisors is an integer number (9556026417).

Almost surely, 2^213440211424 is an apocalyptic number.

It is an amenable number.

213440211424 is an abundant number, since it is smaller than the sum of its proper divisors (245249056592).

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

213440211424 is a wasteful number, since it uses less digits than its factorization.

213440211424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367619 (or 367611 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 213440211424 its reverse (424112044312), we get a palindrome (637552255736).

The spelling of 213440211424 in words is "two hundred thirteen billion, four hundred forty million, two hundred eleven thousand, four hundred twenty-four".