325679447520 has 1152 divisors, whose sum is σ = 1427980409856. Its totient is φ = 68390977536.

The previous prime is 325679447501. The next prime is 325679447551. The reversal of 325679447520 is 25744976523.

325679447520 is a `hidden beast` number, since 3 + 2 + 5 + 6 + 79 + 4 + 47 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 198948142 + ... + 198949778.

It is an arithmetic number, because the mean of its divisors is an integer number (1239566328).

Almost surely, 2^325679447520 is an apocalyptic number.

325679447520 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 325679447520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713990204928).

325679447520 is an abundant number, since it is smaller than the sum of its proper divisors (1102300962336).

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

325679447520 is a wasteful number, since it uses less digits than its factorization.

325679447520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 325679447520 in words is "three hundred twenty-five billion, six hundred seventy-nine million, four hundred forty-seven thousand, five hundred twenty".