242346340 has 12 divisors (see below), whose sum is σ = 508927356. Its totient is φ = 96938528.

The previous prime is 242346319. The next prime is 242346343. The reversal of 242346340 is 43643242.

It can be written as a sum of positive squares in 2 ways, for example, as 77018176 + 165328164 = 8776^2 + 12858^2 .

It is a super-2 number, since 2×242346340² = 117463497022791200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242346299 and 242346308.

It is not an unprimeable number, because it can be changed into a prime (242346343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6058639 + ... + 6058678.

It is an arithmetic number, because the mean of its divisors is an integer number (42410613).

Almost surely, 2^242346340 is an apocalyptic number.

242346340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242346340 is an abundant number, since it is smaller than the sum of its proper divisors (266581016).

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

242346340 is a wasteful number, since it uses less digits than its factorization.

242346340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117326 (or 12117324 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 242346340 is about 15567.4769953259. The cubic root of 242346340 is about 623.4651104683.

Adding to 242346340 its reverse (43643242), we get a palindrome (285989582).

The spelling of 242346340 in words is "two hundred forty-two million, three hundred forty-six thousand, three hundred forty".