243342040 has 16 divisors (see below), whose sum is σ = 547519680. Its totient is φ = 97336800.

The previous prime is 243342013. The next prime is 243342061. The reversal of 243342040 is 40243342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041736 + ... + 3041815.

It is an arithmetic number, because the mean of its divisors is an integer number (34219980).

Almost surely, 2^243342040 is an apocalyptic number.

243342040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243342040 is an abundant number, since it is smaller than the sum of its proper divisors (304177640).

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

243342040 is a wasteful number, since it uses less digits than its factorization.

243342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083562 (or 6083558 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 243342040 is about 15599.4243483534. The cubic root of 243342040 is about 624.3177964282.

Adding to 243342040 its reverse (40243342), we get a palindrome (283585382).

The spelling of 243342040 in words is "two hundred forty-three million, three hundred forty-two thousand, forty".