2043324402400 has 216 divisors, whose sum is σ = 5434474296384. Its totient is φ = 749331302400.

The previous prime is 2043324402391. The next prime is 2043324402409. The reversal of 2043324402400 is 42044233402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2043324402391) and next prime (2043324402409).

It is a super-2 number, since 2×2043324402400² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043324402409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8838684 + ... + 9066916.

It is an arithmetic number, because the mean of its divisors is an integer number (25159603224).

Almost surely, 2^{2043324402400} is an apocalyptic number.

2043324402400 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 2043324402400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2717237148192).

2043324402400 is an abundant number, since it is smaller than the sum of its proper divisors (3391149893984).

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

2043324402400 is a wasteful number, since it uses less digits than its factorization.

2043324402400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228322 (or 228290 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 2043324402400 its reverse (42044233402), we get a palindrome (2085368635802).

The spelling of 2043324402400 in words is "two trillion, forty-three billion, three hundred twenty-four million, four hundred two thousand, four hundred".