324495787680 has 288 divisors, whose sum is σ = 1149644255760. Its totient is φ = 83248005120.

The previous prime is 324495787631. The next prime is 324495787717. The reversal of 324495787680 is 86787594423.

324495787680 is a `hidden beast` number, since 3 + 2 + 4 + 495 + 7 + 87 + 68 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 64481460624 + 260014327056 = 253932^2 + 509916^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11720734 + ... + 11748386.

Almost surely, 2^324495787680 is an apocalyptic number.

324495787680 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 324495787680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574822127880).

324495787680 is an abundant number, since it is smaller than the sum of its proper divisors (825148468080).

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

324495787680 is a wasteful number, since it uses less digits than its factorization.

324495787680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27984 (or 27973 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 324495787680 in words is "three hundred twenty-four billion, four hundred ninety-five million, seven hundred eighty-seven thousand, six hundred eighty".