242240526 has 24 divisors (see below), whose sum is σ = 572568984. Its totient is φ = 73406160.

The previous prime is 242240507. The next prime is 242240527. The reversal of 242240526 is 625042242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242240526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242240527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611521 + ... + 611916.

It is an arithmetic number, because the mean of its divisors is an integer number (23857041).

Almost surely, 2^242240526 is an apocalyptic number.

242240526 is an abundant number, since it is smaller than the sum of its proper divisors (330328458).

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

242240526 is a wasteful number, since it uses less digits than its factorization.

242240526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223456 (or 1223453 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 242240526 is about 15564.0780645691. The cubic root of 242240526 is about 623.3743575111.

Adding to 242240526 its reverse (625042242), we get a palindrome (867282768).

The spelling of 242240526 in words is "two hundred forty-two million, two hundred forty thousand, five hundred twenty-six".