325477680 has 320 divisors, whose sum is σ = 1175924736. Its totient is φ = 73728000.

The previous prime is 325477661. The next prime is 325477697. The reversal of 325477680 is 86774523.

It is a Cunningham number, because it is equal to 18041²-1.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3355392 + ... + 3355488.

Almost surely, 2^325477680 is an apocalyptic number.

325477680 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 325477680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587962368).

325477680 is an abundant number, since it is smaller than the sum of its proper divisors (850447056).

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

325477680 is a wasteful number, since it uses less digits than its factorization.

325477680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 325477680 is about 18040.9999722854. Note that the first 4 decimals coincide. The cubic root of 325477680 is about 687.8711111540.

The spelling of 325477680 in words is "three hundred twenty-five million, four hundred seventy-seven thousand, six hundred eighty".