243402033320 has 16 divisors (see below), whose sum is σ = 547654575060. Its totient is φ = 97360813312.

The previous prime is 243402033307. The next prime is 243402033331. The reversal of 243402033320 is 23330204342.

It can be written as a sum of positive squares in 2 ways, for example, as 202307445796 + 41094587524 = 449786^2 + 202718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243402033320.

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 3 ways as a sum of consecutive naturals, for example, 3042525377 + ... + 3042525456.

Almost surely, 2^243402033320 is an apocalyptic number.

243402033320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243402033320 is an abundant number, since it is smaller than the sum of its proper divisors (304252541740).

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

243402033320 is a wasteful number, since it uses less digits than its factorization.

243402033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085050844 (or 6085050840 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 243402033320 its reverse (23330204342), we get a palindrome (266732237662).

The spelling of 243402033320 in words is "two hundred forty-three billion, four hundred two million, thirty-three thousand, three hundred twenty".