324400120 has 128 divisors (see below), whose sum is σ = 870912000. Its totient is φ = 107366400.

The previous prime is 324400117. The next prime is 324400199. The reversal of 324400120 is 21004423.

It is a junction number, because it is equal to n+sod(n) for n = 324400094 and 324400103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231181 + ... + 232579.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^324400120 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 324400120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435456000).

324400120 is an abundant number, since it is smaller than the sum of its proper divisors (546511880).

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

324400120 is a wasteful number, since it uses less digits than its factorization.

324400120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 324400120 is about 18011.1110151484. Note that the first 3 decimals coincide. The cubic root of 324400120 is about 687.1111595126. Note that the first 4 decimals are identical.

Adding to 324400120 its reverse (21004423), we get a palindrome (345404543).

The spelling of 324400120 in words is "three hundred twenty-four million, four hundred thousand, one hundred twenty".