2040340212 has 96 divisors (see below), whose sum is σ = 5536339200. Its totient is φ = 648590976.

The previous prime is 2040340207. The next prime is 2040340259. The reversal of 2040340212 is 2120430402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 985114 + ... + 987182.

It is an arithmetic number, because the mean of its divisors is an integer number (57670200).

Almost surely, 2^2040340212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040340212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2768169600).

2040340212 is an abundant number, since it is smaller than the sum of its proper divisors (3495998988).

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

2040340212 is a wasteful number, since it uses less digits than its factorization.

2040340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2040340212 is about 45170.1252156777. The cubic root of 2040340212 is about 1268.3356402660.

Adding to 2040340212 its reverse (2120430402), we get a palindrome (4160770614).

The spelling of 2040340212 in words is "two billion, forty million, three hundred forty thousand, two hundred twelve".