43243044400 has 120 divisors (see below), whose sum is σ = 106604114400. Its totient is φ = 16847001600.

The previous prime is 43243044389. The next prime is 43243044407. The reversal of 43243044400 is 444034234.

It is not an unprimeable number, because it can be changed into a prime (43243044407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11625741 + ... + 11629459.

It is an arithmetic number, because the mean of its divisors is an integer number (888367620).

Almost surely, 2^43243044400 is an apocalyptic number.

43243044400 is a gapful number since it is divisible by the number (40) 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 43243044400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53302057200).

43243044400 is an abundant number, since it is smaller than the sum of its proper divisors (63361070000).

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

43243044400 is a wasteful number, since it uses less digits than its factorization.

43243044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487 (or 4476 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43243044400 its reverse (444034234), we get a palindrome (43687078634).

The spelling of 43243044400 in words is "forty-three billion, two hundred forty-three million, forty-four thousand, four hundred".