242102656 has 64 divisors (see below), whose sum is σ = 496686960. Its totient is φ = 117504000.

The previous prime is 242102639. The next prime is 242102659. The reversal of 242102656 is 656201242.

242102656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×242102656² = 117227392084508672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242102659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788455 + ... + 788761.

Almost surely, 2^242102656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242102656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248343480).

242102656 is an abundant number, since it is smaller than the sum of its proper divisors (254584304).

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

242102656 is a wasteful number, since it uses less digits than its factorization.

242102656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 242102656 is about 15559.6483250747. The cubic root of 242102656 is about 623.2560715878.

Adding to 242102656 its reverse (656201242), we get a palindrome (898303898).

The spelling of 242102656 in words is "two hundred forty-two million, one hundred two thousand, six hundred fifty-six".