325507680 has 192 divisors, whose sum is σ = 1149120000. Its totient is φ = 86054400.

The previous prime is 325507673. The next prime is 325507691. The reversal of 325507680 is 86705523.

325507680 is a `hidden beast` number, since 32 + 550 + 76 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 652071 + ... + 652569.

It is an arithmetic number, because the mean of its divisors is an integer number (5985000).

Almost surely, 2^325507680 is an apocalyptic number.

325507680 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 325507680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574560000).

325507680 is an abundant number, since it is smaller than the sum of its proper divisors (823612320).

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

325507680 is a wasteful number, since it uses less digits than its factorization.

325507680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 325507680 is about 18041.8313926275. The cubic root of 325507680 is about 687.8922447070.

The spelling of 325507680 in words is "three hundred twenty-five million, five hundred seven thousand, six hundred eighty".