242440304 has 40 divisors (see below), whose sum is σ = 501872640. Its totient is φ = 113116608.

The previous prime is 242440301. The next prime is 242440343. The reversal of 242440304 is 403044242.

242440304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×242440304² = 117554602007224832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242440304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242440301) 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, 14417 + ... + 26319.

It is an arithmetic number, because the mean of its divisors is an integer number (12546816).

Almost surely, 2^242440304 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 242440304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250936320).

242440304 is an abundant number, since it is smaller than the sum of its proper divisors (259432336).

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

242440304 is a wasteful number, since it uses less digits than its factorization.

242440304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 242440304 is about 15570.4946613780. The cubic root of 242440304 is about 623.5456779540.

Adding to 242440304 its reverse (403044242), we get a palindrome (645484546).

The spelling of 242440304 in words is "two hundred forty-two million, four hundred forty thousand, three hundred four".