243003920760 has 384 divisors, whose sum is σ = 888502867200. Its totient is φ = 57236336640.

The previous prime is 243003920759. The next prime is 243003920791. The reversal of 243003920760 is 67029300342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12432195 + ... + 12451725.

It is an arithmetic number, because the mean of its divisors is an integer number (2313809550).

Almost surely, 2^243003920760 is an apocalyptic number.

243003920760 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 243003920760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444251433600).

243003920760 is an abundant number, since it is smaller than the sum of its proper divisors (645498946440).

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

243003920760 is a wasteful number, since it uses less digits than its factorization.

243003920760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19691 (or 19684 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 243003920760 in words is "two hundred forty-three billion, three million, nine hundred twenty thousand, seven hundred sixty".