243455351415200 has 72 divisors (see below), whose sum is σ = 594382041677088. Its totient is φ = 97374494478080.

The previous prime is 243455351415197. The next prime is 243455351415223. The reversal of 243455351415200 is 2514153554342.

It is a happy number.

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, 1746242 + ... + 22135041.

It is an arithmetic number, because the mean of its divisors is an integer number (8255306134404).

Almost surely, 2^{243455351415200} is an apocalyptic number.

243455351415200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243455351415200 is an abundant number, since it is smaller than the sum of its proper divisors (350926690261888).

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

243455351415200 is a wasteful number, since it uses less digits than its factorization.

243455351415200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23894046 (or 23894033 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 243455351415200 in words is "two hundred forty-three trillion, four hundred fifty-five billion, three hundred fifty-one million, four hundred fifteen thousand, two hundred".