324420204400 has 240 divisors, whose sum is σ = 850203619200. Its totient is φ = 118493383680.

The previous prime is 324420204391. The next prime is 324420204439. The reversal of 324420204400 is 4402024423.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194612367 + ... + 194614033.

It is an arithmetic number, because the mean of its divisors is an integer number (3542515080).

Almost surely, 2^324420204400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324420204400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425101809600).

324420204400 is an abundant number, since it is smaller than the sum of its proper divisors (525783414800).

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

324420204400 is a wasteful number, since it uses less digits than its factorization.

324420204400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 324420204400 its reverse (4402024423), we get a palindrome (328822228823).

The spelling of 324420204400 in words is "three hundred twenty-four billion, four hundred twenty million, two hundred four thousand, four hundred".