210140246824 has 16 divisors (see below), whose sum is σ = 394024588020. Its totient is φ = 105067023360.

The previous prime is 210140246821. The next prime is 210140246863. The reversal of 210140246824 is 428642041012.

210140246824 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 2 ways, for example, as 183106968100 + 27033278724 = 427910^2 + 164418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210140246824.

It is not an unprimeable number, because it can be changed into a prime (210140246821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85579 + ... + 653914.

Almost surely, 2^210140246824 is an apocalyptic number.

It is an amenable number.

210140246824 is a deficient number, since it is larger than the sum of its proper divisors (183884341196).

210140246824 is a wasteful number, since it uses less digits than its factorization.

210140246824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775020 (or 775016 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

Adding to 210140246824 its reverse (428642041012), we get a palindrome (638782287836).

The spelling of 210140246824 in words is "two hundred ten billion, one hundred forty million, two hundred forty-six thousand, eight hundred twenty-four".