2043324400 has 120 divisors (see below), whose sum is σ = 5342529584. Its totient is φ = 746496000.

The previous prime is 2043324397. The next prime is 2043324419. The reversal of 2043324400 is 44233402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502375 + ... + 506425.

Almost surely, 2^2043324400 is an apocalyptic number.

2043324400 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 2043324400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2671264792).

2043324400 is an abundant number, since it is smaller than the sum of its proper divisors (3299205184).

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

2043324400 is a wasteful number, since it uses less digits than its factorization.

2043324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2043324400 is about 45203.1459082219. The cubic root of 2043324400 is about 1268.9536921300.

Adding to 2043324400 its reverse (44233402), we get a palindrome (2087557802).

The spelling of 2043324400 in words is "two billion, forty-three million, three hundred twenty-four thousand, four hundred".