2144143012340 has 72 divisors (see below), whose sum is σ = 5246759538720. Its totient is φ = 733882191168.

The previous prime is 2144143012339. The next prime is 2144143012343. The reversal of 2144143012340 is 432103414412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144143012343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1288370 + ... + 2438889.

It is an arithmetic number, because the mean of its divisors is an integer number (72871660260).

Almost surely, 2^{2144143012340} is an apocalyptic number.

2144143012340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144143012340 is an abundant number, since it is smaller than the sum of its proper divisors (3102616526380).

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

2144143012340 is a wasteful number, since it uses less digits than its factorization.

2144143012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727869 (or 3727860 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2144143012340 its reverse (432103414412), we get a palindrome (2576246426752).

The spelling of 2144143012340 in words is "two trillion, one hundred forty-four billion, one hundred forty-three million, twelve thousand, three hundred forty".