2011233204040 has 128 divisors (see below), whose sum is σ = 4812960902400. Its totient is φ = 754236748800.

The previous prime is 2011233204011. The next prime is 2011233204049. The reversal of 2011233204040 is 404023321102.

It is not an unprimeable number, because it can be changed into a prime (2011233204049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196270197 + ... + 196280443.

It is an arithmetic number, because the mean of its divisors is an integer number (37601257050).

Almost surely, 2^{2011233204040} is an apocalyptic number.

2011233204040 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 2011233204040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2406480451200).

2011233204040 is an abundant number, since it is smaller than the sum of its proper divisors (2801727698360).

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

2011233204040 is a wasteful number, since it uses less digits than its factorization.

2011233204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935 (or 12931 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2011233204040 its reverse (404023321102), we get a palindrome (2415256525142).

The spelling of 2011233204040 in words is "two trillion, eleven billion, two hundred thirty-three million, two hundred four thousand, forty".