243422142400 has 84 divisors (see below), whose sum is σ = 599157856800. Its totient is φ = 97338419200.

The previous prime is 243422142389. The next prime is 243422142419. The reversal of 243422142400 is 4241224342.

243422142400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5496345 + ... + 5540455.

Almost surely, 2^243422142400 is an apocalyptic number.

243422142400 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 243422142400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299578928400).

243422142400 is an abundant number, since it is smaller than the sum of its proper divisors (355735714400).

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

243422142400 is a wasteful number, since it uses less digits than its factorization.

243422142400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47582 (or 47567 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 243422142400 its reverse (4241224342), we get a palindrome (247663366742).

The spelling of 243422142400 in words is "two hundred forty-three billion, four hundred twenty-two million, one hundred forty-two thousand, four hundred".