4243236400 has 120 divisors (see below), whose sum is σ = 11013982560. Its totient is φ = 1561681920.

The previous prime is 4243236379. The next prime is 4243236449. The reversal of 4243236400 is 46323424.

It is an unprimeable number.

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, 1865664 + ... + 1867936.

It is an arithmetic number, because the mean of its divisors is an integer number (91783188).

Almost surely, 2^4243236400 is an apocalyptic number.

4243236400 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 4243236400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5506991280).

4243236400 is an abundant number, since it is smaller than the sum of its proper divisors (6770746160).

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

4243236400 is a wasteful number, since it uses less digits than its factorization.

4243236400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4243236400 is about 65140.1289528966. The cubic root of 4243236400 is about 1618.9461723167.

Adding to 4243236400 its reverse (46323424), we get a palindrome (4289559824).

The spelling of 4243236400 in words is "four billion, two hundred forty-three million, two hundred thirty-six thousand, four hundred".