242426340 has 144 divisors (see below), whose sum is σ = 797299776. Its totient is φ = 59270400.

The previous prime is 242426333. The next prime is 242426347. The reversal of 242426340 is 43624242.

242426340 is a `hidden beast` number, since 2 + 4 + 24 + 2 + 634 + 0 = 666.

242426340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242426333) and next prime (242426347).

It is not an unprimeable number, because it can be changed into a prime (242426347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493495 + ... + 493985.

It is an arithmetic number, because the mean of its divisors is an integer number (5536804).

Almost surely, 2^242426340 is an apocalyptic number.

242426340 is a gapful number since it is divisible by the number (20) 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 242426340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398649888).

242426340 is an abundant number, since it is smaller than the sum of its proper divisors (554873436).

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

242426340 is a wasteful number, since it uses less digits than its factorization.

242426340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 242426340 is about 15570.0462427059. The cubic root of 242426340 is about 623.5337061285.

The spelling of 242426340 in words is "two hundred forty-two million, four hundred twenty-six thousand, three hundred forty".