243440132402 has 8 divisors (see below), whose sum is σ = 365201574912. Its totient is φ = 121706274100.

The previous prime is 243440132381. The next prime is 243440132473. The reversal of 243440132402 is 204231044342.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 6873974 + ... + 6909297.

It is an arithmetic number, because the mean of its divisors is an integer number (45650196864).

Almost surely, 2^243440132402 is an apocalyptic number.

243440132402 is a deficient number, since it is larger than the sum of its proper divisors (121761442510).

243440132402 is a wasteful number, since it uses less digits than its factorization.

243440132402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13792104.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243440132402 its reverse (204231044342), we get a palindrome (447671176744).

The spelling of 243440132402 in words is "two hundred forty-three billion, four hundred forty million, one hundred thirty-two thousand, four hundred two".