243102013400 has 96 divisors (see below), whose sum is σ = 581139679680. Its totient is φ = 94518144000.

The previous prime is 243102013381. The next prime is 243102013439. The reversal of 243102013400 is 4310201342.

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

It is a congruent number.

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, 2167502 + ... + 2276898.

It is an arithmetic number, because the mean of its divisors is an integer number (6053538330).

Almost surely, 2^243102013400 is an apocalyptic number.

243102013400 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 243102013400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290569839840).

243102013400 is an abundant number, since it is smaller than the sum of its proper divisors (338037666280).

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

243102013400 is a wasteful number, since it uses less digits than its factorization.

243102013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109725 (or 109716 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243102013400 its reverse (4310201342), we get a palindrome (247412214742).

The spelling of 243102013400 in words is "two hundred forty-three billion, one hundred two million, thirteen thousand, four hundred".