324745673696640 has 2048 divisors, whose sum is σ = 1389126647808000. Its totient is φ = 70140764160000.

The previous prime is 324745673696611. The next prime is 324745673696657. The reversal of 324745673696640 is 46696376547423.

324745673696640 is a `hidden beast` number, since 3 + 2 + 4 + 7 + 456 + 73 + 6 + 9 + 66 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 33406606980 + ... + 33406616700.

It is an arithmetic number, because the mean of its divisors is an integer number (678284496000).

Almost surely, 2^{324745673696640} is an apocalyptic number.

324745673696640 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 324745673696640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694563323904000).

324745673696640 is an abundant number, since it is smaller than the sum of its proper divisors (1064380974111360).

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

324745673696640 is a wasteful number, since it uses less digits than its factorization.

324745673696640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9997 (or 9979 counting only the distinct ones).

The product of its (nonzero) digits is 3292047360, while the sum is 72.

The spelling of 324745673696640 in words is "three hundred twenty-four trillion, seven hundred forty-five billion, six hundred seventy-three million, six hundred ninety-six thousand, six hundred forty".