325840320 has 280 divisors, whose sum is σ = 1249521504. Its totient is φ = 80123904.

The previous prime is 325840313. The next prime is 325840351. The reversal of 325840320 is 23048523.

325840320 is a `hidden beast` number, since 3 + 258 + 403 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 336477 + ... + 337443.

Almost surely, 2^325840320 is an apocalyptic number.

325840320 is a gapful number since it is divisible by the number (30) 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 325840320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624760752).

325840320 is an abundant number, since it is smaller than the sum of its proper divisors (923681184).

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

325840320 is a wasteful number, since it uses less digits than its factorization.

325840320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 325840320 is about 18051.0476150278. The cubic root of 325840320 is about 688.1264865696.

Adding to 325840320 its reverse (23048523), we get a palindrome (348888843).

The spelling of 325840320 in words is "three hundred twenty-five million, eight hundred forty thousand, three hundred twenty".