243232441400 has 96 divisors (see below), whose sum is σ = 609522550560. Its totient is φ = 89734295040.

The previous prime is 243232441399. The next prime is 243232441429. The reversal of 243232441400 is 4144232342.

It is a congruent number.

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, 3141554 + ... + 3218046.

It is an arithmetic number, because the mean of its divisors is an integer number (6349193235).

Almost surely, 2^243232441400 is an apocalyptic number.

243232441400 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 243232441400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304761275280).

243232441400 is an abundant number, since it is smaller than the sum of its proper divisors (366290109160).

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

243232441400 is a wasteful number, since it uses less digits than its factorization.

243232441400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77745 (or 77736 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243232441400 its reverse (4144232342), we get a palindrome (247376673742).

The spelling of 243232441400 in words is "two hundred forty-three billion, two hundred thirty-two million, four hundred forty-one thousand, four hundred".