2140042233340 has 48 divisors (see below), whose sum is σ = 4985737868160. Its totient is φ = 765007388480.

The previous prime is 2140042233331. The next prime is 2140042233341. The reversal of 2140042233340 is 433322400412.

It is a junction number, because it is equal to n+sod(n) for n = 2140042233299 and 2140042233308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140042233341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82423162 + ... + 82449121.

It is an arithmetic number, because the mean of its divisors is an integer number (103869538920).

Almost surely, 2^{2140042233340} is an apocalyptic number.

2140042233340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140042233340 is an abundant number, since it is smaller than the sum of its proper divisors (2845695634820).

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

2140042233340 is a wasteful number, since it uses less digits than its factorization.

2140042233340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164872362 (or 164872360 counting only the distinct ones).

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

Adding to 2140042233340 its reverse (433322400412), we get a palindrome (2573364633752).

The spelling of 2140042233340 in words is "two trillion, one hundred forty billion, forty-two million, two hundred thirty-three thousand, three hundred forty".