243424045512 has 24 divisors (see below), whose sum is σ = 659273456790. Its totient is φ = 81141348480.

The previous prime is 243424045489. The next prime is 243424045561. The reversal of 243424045512 is 215540424342.

243424045512 is a `hidden beast` number, since 24 + 3 + 42 + 40 + 4 + 551 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 148605624036 + 94818421476 = 385494^2 + 307926^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1690444689 + ... + 1690444832.

Almost surely, 2^243424045512 is an apocalyptic number.

It is an amenable number.

243424045512 is an abundant number, since it is smaller than the sum of its proper divisors (415849411278).

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

243424045512 is a wasteful number, since it uses less digits than its factorization.

243424045512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380889533 (or 3380889526 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 243424045512 its reverse (215540424342), we get a palindrome (458964469854).

The spelling of 243424045512 in words is "two hundred forty-three billion, four hundred twenty-four million, forty-five thousand, five hundred twelve".