210443324340 has 48 divisors (see below), whose sum is σ = 591534119232. Its totient is φ = 55899856896.

The previous prime is 210443324269. The next prime is 210443324359. The reversal of 210443324340 is 43423344012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 210443324298 and 210443324307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6808294 + ... + 6839133.

It is an arithmetic number, because the mean of its divisors is an integer number (12323627484).

Almost surely, 2^210443324340 is an apocalyptic number.

210443324340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210443324340 is an abundant number, since it is smaller than the sum of its proper divisors (381090794892).

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

210443324340 is a wasteful number, since it uses less digits than its factorization.

210443324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13647696 (or 13647694 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 210443324340 its reverse (43423344012), we get a palindrome (253866668352).

The spelling of 210443324340 in words is "two hundred ten billion, four hundred forty-three million, three hundred twenty-four thousand, three hundred forty".