243220000254 has 32 divisors (see below), whose sum is σ = 606470651136. Its totient is φ = 63174025920.

The previous prime is 243220000193. The next prime is 243220000271. The reversal of 243220000254 is 452000022342.

It is a happy number.

243220000254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263224647 + ... + 263225570.

It is an arithmetic number, because the mean of its divisors is an integer number (18952207848).

Almost surely, 2^243220000254 is an apocalyptic number.

243220000254 is an abundant number, since it is smaller than the sum of its proper divisors (363250650882).

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

243220000254 is a wasteful number, since it uses less digits than its factorization.

243220000254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526450240.

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

Adding to 243220000254 its reverse (452000022342), we get a palindrome (695220022596).

The spelling of 243220000254 in words is "two hundred forty-three billion, two hundred twenty million, two hundred fifty-four", and thus it is an aban number.