240220252230 has 128 divisors (see below), whose sum is σ = 694260633600. Its totient is φ = 51965691264.

The previous prime is 240220252229. The next prime is 240220252247. The reversal of 240220252230 is 32252022042.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 240220252230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4036269 + ... + 4095351.

It is an arithmetic number, because the mean of its divisors is an integer number (5423911200).

Almost surely, 2^240220252230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240220252230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347130316800).

240220252230 is an abundant number, since it is smaller than the sum of its proper divisors (454040381370).

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

240220252230 is a wasteful number, since it uses less digits than its factorization.

240220252230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60138.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 240220252230 its reverse (32252022042), we get a palindrome (272472274272).

The spelling of 240220252230 in words is "two hundred forty billion, two hundred twenty million, two hundred fifty-two thousand, two hundred thirty".