243032270400 has 588 divisors, whose sum is σ = 903659610000. Its totient is φ = 64299432960.

The previous prime is 243032270347. The next prime is 243032270423. The reversal of 243032270400 is 4072230342.

243032270400 is a `hidden beast` number, since 2 + 4 + 30 + 3 + 227 + 0 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 162128851 + ... + 162130349.

Almost surely, 2^243032270400 is an apocalyptic number.

243032270400 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 243032270400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451829805000).

243032270400 is an abundant number, since it is smaller than the sum of its proper divisors (660627339600).

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

243032270400 is a wasteful number, since it uses less digits than its factorization.

243032270400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The spelling of 243032270400 in words is "two hundred forty-three billion, thirty-two million, two hundred seventy thousand, four hundred".