325281767720 has 256 divisors, whose sum is σ = 934053120000. Its totient is φ = 99160621056.

The previous prime is 325281767677. The next prime is 325281767827. The reversal of 325281767720 is 27767182523.

It is a super-2 number, since 2×325281767720² (a number of 24 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 47393009 + ... + 47399871.

It is an arithmetic number, because the mean of its divisors is an integer number (3648645000).

Almost surely, 2^325281767720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325281767720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467026560000).

325281767720 is an abundant number, since it is smaller than the sum of its proper divisors (608771352280).

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

325281767720 is a wasteful number, since it uses less digits than its factorization.

325281767720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372 (or 7368 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 325281767720 in words is "three hundred twenty-five billion, two hundred eighty-one million, seven hundred sixty-seven thousand, seven hundred twenty".