243441200 has 120 divisors (see below), whose sum is σ = 624388608. Its totient is φ = 90999040.

The previous prime is 243441193. The next prime is 243441239. The reversal of 243441200 is 2144342.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432119 + ... + 432681.

Almost surely, 2^243441200 is an apocalyptic number.

243441200 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 243441200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312194304).

243441200 is an abundant number, since it is smaller than the sum of its proper divisors (380947408).

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

243441200 is a wasteful number, since it uses less digits than its factorization.

243441200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 243441200 is about 15602.6023470445. The cubic root of 243441200 is about 624.4025864706.

Adding to 243441200 its reverse (2144342), we get a palindrome (245585542).

It can be divided in two parts, 2434 and 41200, that added together give a palindrome (43634).

The spelling of 243441200 in words is "two hundred forty-three million, four hundred forty-one thousand, two hundred".