325048640 has 168 divisors, whose sum is σ = 920105856. Its totient is φ = 107136000.

The previous prime is 325048639. The next prime is 325048643. The reversal of 325048640 is 46840523.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 325048597 and 325048606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325048643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2152565 + ... + 2152715.

Almost surely, 2^325048640 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 325048640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460052928).

325048640 is an abundant number, since it is smaller than the sum of its proper divisors (595057216).

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

325048640 is a wasteful number, since it uses less digits than its factorization.

325048640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 325048640 is about 18029.1053577264. The cubic root of 325048640 is about 687.5687309798.

The spelling of 325048640 in words is "three hundred twenty-five million, forty-eight thousand, six hundred forty".