243055224720 has 2560 divisors, whose sum is σ = 1184838451200. Its totient is φ = 44258918400.

The previous prime is 243055224719. The next prime is 243055224749. The reversal of 243055224720 is 27422550342.

243055224720 is a `hidden beast` number, since 2 + 4 + 30 + 552 + 2 + 4 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 4119580051 + ... + 4119580109.

It is an arithmetic number, because the mean of its divisors is an integer number (462827520).

Almost surely, 2^243055224720 is an apocalyptic number.

243055224720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243055224720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592419225600).

243055224720 is an abundant number, since it is smaller than the sum of its proper divisors (941783226480).

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

243055224720 is a wasteful number, since it uses less digits than its factorization.

243055224720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The spelling of 243055224720 in words is "two hundred forty-three billion, fifty-five million, two hundred twenty-four thousand, seven hundred twenty".