243453043765200 has 240 divisors, whose sum is σ = 781259819760576. Its totient is φ = 64804422144000.

The previous prime is 243453043765181. The next prime is 243453043765213. The reversal of 243453043765200 is 2567340354342.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 243453043765200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4859220150 + ... + 4859270250.

Almost surely, 2^{243453043765200} is an apocalyptic number.

243453043765200 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 243453043765200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390629909880288).

243453043765200 is an abundant number, since it is smaller than the sum of its proper divisors (537806775995376).

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

243453043765200 is a wasteful number, since it uses less digits than its factorization.

243453043765200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57302 (or 57291 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 48.

The spelling of 243453043765200 in words is "two hundred forty-three trillion, four hundred fifty-three billion, forty-three million, seven hundred sixty-five thousand, two hundred".