240340324212 has 72 divisors (see below), whose sum is σ = 645161549760. Its totient is φ = 75225265920.

The previous prime is 240340324187. The next prime is 240340324229. The reversal of 240340324212 is 212423043042.

240340324212 is a `hidden beast` number, since 2 + 4 + 0 + 3 + 403 + 242 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1477464 + ... + 1632047.

It is an arithmetic number, because the mean of its divisors is an integer number (8960577080).

Almost surely, 2^240340324212 is an apocalyptic number.

It is an amenable number.

240340324212 is an abundant number, since it is smaller than the sum of its proper divisors (404821225548).

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

240340324212 is a wasteful number, since it uses less digits than its factorization.

240340324212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109653 (or 3109648 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 240340324212 its reverse (212423043042), we get a palindrome (452763367254).

The spelling of 240340324212 in words is "two hundred forty billion, three hundred forty million, three hundred twenty-four thousand, two hundred twelve".