243441065412 has 72 divisors (see below), whose sum is σ = 638303414112. Its totient is φ = 81128304000.

The previous prime is 243441065411. The next prime is 243441065423. The reversal of 243441065412 is 214560144342.

243441065412 is a `hidden beast` number, since 2 + 4 + 3 + 4 + 4 + 106 + 541 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (243441065411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4562287 + ... + 4615337.

It is an arithmetic number, because the mean of its divisors is an integer number (8865325196).

Almost surely, 2^243441065412 is an apocalyptic number.

It is an amenable number.

243441065412 is an abundant number, since it is smaller than the sum of its proper divisors (394862348700).

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

243441065412 is a wasteful number, since it uses less digits than its factorization.

243441065412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57791 (or 57777 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 243441065412 in words is "two hundred forty-three billion, four hundred forty-one million, sixty-five thousand, four hundred twelve".