243525055228 has 24 divisors (see below), whose sum is σ = 524515504352. Its totient is φ = 96339582144.

The previous prime is 243525055223. The next prime is 243525055237. The reversal of 243525055228 is 822550525342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243525055223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334512075 + ... + 334512802.

Almost surely, 2^243525055228 is an apocalyptic number.

243525055228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243525055228 is an abundant number, since it is smaller than the sum of its proper divisors (280990449124).

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

243525055228 is a wasteful number, since it uses less digits than its factorization.

243525055228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669024901 (or 669024899 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 243525055228 in words is "two hundred forty-three billion, five hundred twenty-five million, fifty-five thousand, two hundred twenty-eight".