2133443040 has 96 divisors (see below), whose sum is σ = 6783315840. Its totient is φ = 563587584.

The previous prime is 2133443021. The next prime is 2133443041. The reversal of 2133443040 is 403443312.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2133443040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133443041) 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, 30591 + ... + 72129.

It is an arithmetic number, because the mean of its divisors is an integer number (70659540).

Almost surely, 2^2133443040 is an apocalyptic number.

2133443040 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 2133443040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3391657920).

2133443040 is an abundant number, since it is smaller than the sum of its proper divisors (4649872800).

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

2133443040 is a wasteful number, since it uses less digits than its factorization.

2133443040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41664 (or 41656 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2133443040 is about 46189.2091294060. The cubic root of 2133443040 is about 1287.3412458922.

Adding to 2133443040 its reverse (403443312), we get a palindrome (2536886352).

The spelling of 2133443040 in words is "two billion, one hundred thirty-three million, four hundred forty-three thousand, forty".