242685450 has 192 divisors, whose sum is σ = 778640640. Its totient is φ = 54432000.

The previous prime is 242685439. The next prime is 242685451. The reversal of 242685450 is 54586242.

It is a happy number.

242685450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242685451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 576240 + ... + 576660.

It is an arithmetic number, because the mean of its divisors is an integer number (4055420).

Almost surely, 2^242685450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242685450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389320320).

242685450 is an abundant number, since it is smaller than the sum of its proper divisors (535955190).

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

242685450 is a wasteful number, since it uses less digits than its factorization.

242685450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 242685450 is about 15578.3648050750. The cubic root of 242685450 is about 623.7557753584.

The spelling of 242685450 in words is "two hundred forty-two million, six hundred eighty-five thousand, four hundred fifty".