2133331340 has 96 divisors (see below), whose sum is σ = 5322240000. Its totient is φ = 702869760.

The previous prime is 2133331339. The next prime is 2133331349. The reversal of 2133331340 is 431333312.

It is a super-2 number, since 2×2133331340² = 9102205212452391200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2133331349) 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, 645011 + ... + 648309.

It is an arithmetic number, because the mean of its divisors is an integer number (55440000).

Almost surely, 2^2133331340 is an apocalyptic number.

2133331340 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 2133331340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661120000).

2133331340 is an abundant number, since it is smaller than the sum of its proper divisors (3188908660).

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

2133331340 is a wasteful number, since it uses less digits than its factorization.

2133331340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 2133331340 is about 46187.9999566987. Note that the first 4 decimals coincide. The cubic root of 2133331340 is about 1287.3187785278.

Adding to 2133331340 its reverse (431333312), we get a palindrome (2564664652).

The spelling of 2133331340 in words is "two billion, one hundred thirty-three million, three hundred thirty-one thousand, three hundred forty".