242168550 has 144 divisors (see below), whose sum is σ = 669050928. Its totient is φ = 57907200.

The previous prime is 242168543. The next prime is 242168569. The reversal of 242168550 is 55861242.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 1039234 + ... + 1039466.

It is an arithmetic number, because the mean of its divisors is an integer number (4646187).

Almost surely, 2^242168550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242168550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334525464).

242168550 is an abundant number, since it is smaller than the sum of its proper divisors (426882378).

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

242168550 is a wasteful number, since it uses less digits than its factorization.

242168550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 242168550 is about 15561.7656453244. The cubic root of 242168550 is about 623.3126111165.

The spelling of 242168550 in words is "two hundred forty-two million, one hundred sixty-eight thousand, five hundred fifty".