242612656 has 80 divisors (see below), whose sum is σ = 557964288. Its totient is φ = 100742400.

The previous prime is 242612651. The next prime is 242612659. The reversal of 242612656 is 656216242.

It is not an unprimeable number, because it can be changed into a prime (242612651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 244321 + ... + 245311.

Almost surely, 2^242612656 is an apocalyptic number.

242612656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242612656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278982144).

242612656 is an abundant number, since it is smaller than the sum of its proper divisors (315351632).

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

242612656 is a wasteful number, since it uses less digits than its factorization.

242612656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1124 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 242612656 is about 15576.0282485620. The cubic root of 242612656 is about 623.6934035124.

Adding to 242612656 its reverse (656216242), we get a palindrome (898828898).

The spelling of 242612656 in words is "two hundred forty-two million, six hundred twelve thousand, six hundred fifty-six".