242686650 has 48 divisors (see below), whose sum is σ = 604095264. Its totient is φ = 64476480.

The previous prime is 242686637. The next prime is 242686681. The reversal of 242686650 is 56686242.

It is a junction number, because it is equal to n+sod(n) for n = 242686599 and 242686608.

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 23 ways as a sum of consecutive naturals, for example, 39592 + ... + 45308.

It is an arithmetic number, because the mean of its divisors is an integer number (12585318).

Almost surely, 2^242686650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242686650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302047632).

242686650 is an abundant number, since it is smaller than the sum of its proper divisors (361408614).

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

242686650 is a wasteful number, since it uses less digits than its factorization.

242686650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015 (or 6010 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 242686650 is about 15578.4033199812. The cubic root of 242686650 is about 623.7568034460.

The spelling of 242686650 in words is "two hundred forty-two million, six hundred eighty-six thousand, six hundred fifty".