243153420440200 has 48 divisors (see below), whose sum is σ = 565333142233680. Its totient is φ = 97261120484160.

The previous prime is 243153420440191. The next prime is 243153420440239. The reversal of 243153420440200 is 2044024351342.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90971247 + ... + 93605953.

It is an arithmetic number, because the mean of its divisors is an integer number (11777773796535).

Almost surely, 2^{243153420440200} is an apocalyptic number.

243153420440200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243153420440200 is an abundant number, since it is smaller than the sum of its proper divisors (322179721793480).

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

243153420440200 is a wasteful number, since it uses less digits than its factorization.

243153420440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096166 (or 3096157 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 243153420440200 its reverse (2044024351342), we get a palindrome (245197444791542).

The spelling of 243153420440200 in words is "two hundred forty-three trillion, one hundred fifty-three billion, four hundred twenty million, four hundred forty thousand, two hundred".