243314021552 has 40 divisors (see below), whose sum is σ = 539300973600. Its totient is φ = 104174042112.

The previous prime is 243314021543. The next prime is 243314021557. The reversal of 243314021552 is 255120413342.

It is not an unprimeable number, because it can be changed into a prime (243314021557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 963527 + ... + 1189542.

It is an arithmetic number, because the mean of its divisors is an integer number (13482524340).

Almost surely, 2^243314021552 is an apocalyptic number.

It is an amenable number.

243314021552 is an abundant number, since it is smaller than the sum of its proper divisors (295986952048).

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

243314021552 is a wasteful number, since it uses less digits than its factorization.

243314021552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154093 (or 2154087 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 243314021552 its reverse (255120413342), we get a palindrome (498434434894).

The spelling of 243314021552 in words is "two hundred forty-three billion, three hundred fourteen million, twenty-one thousand, five hundred fifty-two".