243414340 has 48 divisors (see below), whose sum is σ = 551722752. Its totient is φ = 89675136.

The previous prime is 243414329. The next prime is 243414361. The reversal of 243414340 is 43414342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167497 + ... + 168943.

It is an arithmetic number, because the mean of its divisors is an integer number (11494224).

Almost surely, 2^243414340 is an apocalyptic number.

243414340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243414340 is an abundant number, since it is smaller than the sum of its proper divisors (308308412).

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

243414340 is a wasteful number, since it uses less digits than its factorization.

243414340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 243414340 is about 15601.7415694531. The cubic root of 243414340 is about 624.3796212120.

Adding to 243414340 its reverse (43414342), we get a palindrome (286828682).

The spelling of 243414340 in words is "two hundred forty-three million, four hundred fourteen thousand, three hundred forty".