242289630 has 160 divisors (see below), whose sum is σ = 722608128. Its totient is φ = 57758400.

The previous prime is 242289571. The next prime is 242289679. The reversal of 242289630 is 36982242.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 632419 + ... + 632801.

Almost surely, 2^242289630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242289630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361304064).

242289630 is an abundant number, since it is smaller than the sum of its proper divisors (480318498).

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

242289630 is a wasteful number, since it uses less digits than its factorization.

242289630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 242289630 is about 15565.6554632306. The cubic root of 242289630 is about 623.4164755757.

The spelling of 242289630 in words is "two hundred forty-two million, two hundred eighty-nine thousand, six hundred thirty".