242309852728 has 64 divisors (see below), whose sum is σ = 471728668320. Its totient is φ = 116600064000.

The previous prime is 242309852693. The next prime is 242309852737. The reversal of 242309852728 is 827258903242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19077676 + ... + 19090372.

Almost surely, 2^242309852728 is an apocalyptic number.

It is an amenable number.

242309852728 is a deficient number, since it is larger than the sum of its proper divisors (229418815592).

242309852728 is a wasteful number, since it uses less digits than its factorization.

242309852728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13528 (or 13524 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 242309852728 in words is "two hundred forty-two billion, three hundred nine million, eight hundred fifty-two thousand, seven hundred twenty-eight".