243281463780 has 192 divisors, whose sum is σ = 744943288320. Its totient is φ = 59080390656.

The previous prime is 243281463727. The next prime is 243281463809. The reversal of 243281463780 is 87364182342.

It is a super-3 number, since 3×243281463780³ (a number of 35 digits) contains 333 as substring.

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 63 ways as a sum of consecutive naturals, for example, 4667101 + ... + 4718939.

It is an arithmetic number, because the mean of its divisors is an integer number (3879912960).

Almost surely, 2^243281463780 is an apocalyptic number.

243281463780 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 243281463780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372471644160).

243281463780 is an abundant number, since it is smaller than the sum of its proper divisors (501661824540).

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

243281463780 is a wasteful number, since it uses less digits than its factorization.

243281463780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52018 (or 52016 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 243281463780 in words is "two hundred forty-three billion, two hundred eighty-one million, four hundred sixty-three thousand, seven hundred eighty".