320423251248 has 200 divisors, whose sum is σ = 1002846474432. Its totient is φ = 98385795072.

The previous prime is 320423251243. The next prime is 320423251273. The reversal of 320423251248 is 842152324023.

320423251248 is a `hidden beast` number, since 3 + 204 + 2 + 325 + 124 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (320423251243) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 880786 + ... + 1190222.

Almost surely, 2^320423251248 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 320423251248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501423237216).

320423251248 is an abundant number, since it is smaller than the sum of its proper divisors (682423223184).

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

320423251248 is a wasteful number, since it uses less digits than its factorization.

320423251248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309521 (or 309506 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 320423251248 in words is "three hundred twenty billion, four hundred twenty-three million, two hundred fifty-one thousand, two hundred forty-eight".