2340021144342 has 96 divisors (see below), whose sum is σ = 5701053279744. Its totient is φ = 637232534400.

The previous prime is 2340021144341. The next prime is 2340021144389. The reversal of 2340021144342 is 2434411200432.

It is a super-2 number, since 2×2340021144342² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340021144341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1284367 + ... + 2515877.

It is an arithmetic number, because the mean of its divisors is an integer number (59385971664).

Almost surely, 2^{2340021144342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2340021144342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850526639872).

2340021144342 is an abundant number, since it is smaller than the sum of its proper divisors (3361032135402).

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

2340021144342 is a wasteful number, since it uses less digits than its factorization.

2340021144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231834 (or 1231827 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2340021144342 its reverse (2434411200432), we get a palindrome (4774432344774).

The spelling of 2340021144342 in words is "two trillion, three hundred forty billion, twenty-one million, one hundred forty-four thousand, three hundred forty-two".