210350403424 has 36 divisors (see below), whose sum is σ = 481739990004. Its totient is φ = 90150172224.

The previous prime is 210350403407. The next prime is 210350403463. The reversal of 210350403424 is 424304053012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 210350403392 and 210350403401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67074454 + ... + 67077589.

It is an arithmetic number, because the mean of its divisors is an integer number (13381666389).

Almost surely, 2^210350403424 is an apocalyptic number.

It is an amenable number.

210350403424 is an abundant number, since it is smaller than the sum of its proper divisors (271389586580).

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

210350403424 is a wasteful number, since it uses less digits than its factorization.

210350403424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134152067 (or 134152052 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 210350403424 its reverse (424304053012), we get a palindrome (634654456436).

The spelling of 210350403424 in words is "two hundred ten billion, three hundred fifty million, four hundred three thousand, four hundred twenty-four".