210441424 has 20 divisors (see below), whose sum is σ = 408410244. Its totient is φ = 105045248.

The previous prime is 210441389. The next prime is 210441433. The reversal of 210441424 is 424144012.

It can be written as a sum of positive squares in 2 ways, for example, as 121705024 + 88736400 = 11032^2 + 9420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210441395 and 210441404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787 + ... + 20530.

Almost surely, 2^210441424 is an apocalyptic number.

It is an amenable number.

210441424 is a deficient number, since it is larger than the sum of its proper divisors (197968820).

210441424 is a wasteful number, since it uses less digits than its factorization.

210441424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21942 (or 21936 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 210441424 is about 14506.5993258241. The cubic root of 210441424 is about 594.8083783762.

Adding to 210441424 its reverse (424144012), we get a palindrome (634585436).

The spelling of 210441424 in words is "two hundred ten million, four hundred forty-one thousand, four hundred twenty-four".