2340240312340 has 48 divisors (see below), whose sum is σ = 5625099849600. Its totient is φ = 801150521472.

The previous prime is 2340240312313. The next prime is 2340240312341. The reversal of 2340240312340 is 432130420432.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2340240312299 and 2340240312308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340240312341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12590595 + ... + 12775114.

It is an arithmetic number, because the mean of its divisors is an integer number (117189580200).

Almost surely, 2^{2340240312340} is an apocalyptic number.

2340240312340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340240312340 is an abundant number, since it is smaller than the sum of its proper divisors (3284859537260).

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

2340240312340 is a wasteful number, since it uses less digits than its factorization.

2340240312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25366384 (or 25366382 counting only the distinct ones).

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

Adding to 2340240312340 its reverse (432130420432), we get a palindrome (2772370732772).

The spelling of 2340240312340 in words is "two trillion, three hundred forty billion, two hundred forty million, three hundred twelve thousand, three hundred forty".