2143011024340 has 72 divisors (see below), whose sum is σ = 4782271751712. Its totient is φ = 806501890560.

The previous prime is 2143011024307. The next prime is 2143011024397. The reversal of 2143011024340 is 434201103412.

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, 17063575 + ... + 17188705.

It is an arithmetic number, because the mean of its divisors is an integer number (66420440996).

Almost surely, 2^{2143011024340} is an apocalyptic number.

2143011024340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143011024340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2391135875856).

2143011024340 is an abundant number, since it is smaller than the sum of its proper divisors (2639260727372).

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

2143011024340 is a wasteful number, since it uses less digits than its factorization.

2143011024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128137 (or 128118 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2143011024340 its reverse (434201103412), we get a palindrome (2577212127752).

The spelling of 2143011024340 in words is "two trillion, one hundred forty-three billion, eleven million, twenty-four thousand, three hundred forty".