210252040326 has 48 divisors (see below), whose sum is σ = 482379721200. Its totient is φ = 65956391424.

The previous prime is 210252040267. The next prime is 210252040351. The reversal of 210252040326 is 623040252012.

It is a happy number.

210252040326 is a `hidden beast` number, since 2 + 1 + 0 + 252 + 0 + 403 + 2 + 6 = 666.

It is a super-2 number, since 2×210252040326² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210252040326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7924090 + ... + 7950578.

It is an arithmetic number, because the mean of its divisors is an integer number (10049577525).

Almost surely, 2^210252040326 is an apocalyptic number.

210252040326 is an abundant number, since it is smaller than the sum of its proper divisors (272127680874).

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

210252040326 is a wasteful number, since it uses less digits than its factorization.

210252040326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52453 (or 52450 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 210252040326 its reverse (623040252012), we get a palindrome (833292292338).

The spelling of 210252040326 in words is "two hundred ten billion, two hundred fifty-two million, forty thousand, three hundred twenty-six".