242716650 has 144 divisors (see below), whose sum is σ = 698928480. Its totient is φ = 55270400.

The previous prime is 242716637. The next prime is 242716681. The reversal of 242716650 is 56617242.

It is a super-2 number, since 2×242716650² = 117822744374445000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 476596 + ... + 477104.

It is an arithmetic number, because the mean of its divisors is an integer number (4853670).

Almost surely, 2^242716650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242716650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349464240).

242716650 is an abundant number, since it is smaller than the sum of its proper divisors (456211830).

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

242716650 is a wasteful number, since it uses less digits than its factorization.

242716650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 242716650 is about 15579.3661616896. The cubic root of 242716650 is about 623.7825045343.

The spelling of 242716650 in words is "two hundred forty-two million, seven hundred sixteen thousand, six hundred fifty".