323739520416 has 576 divisors, whose sum is σ = 1084530263040. Its totient is φ = 93744967680.

The previous prime is 323739520411. The next prime is 323739520463. The reversal of 323739520416 is 614025937323.

323739520416 is a `hidden beast` number, since 3 + 237 + 395 + 20 + 4 + 1 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (323739520411) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167479386 + ... + 167481318.

It is an arithmetic number, because the mean of its divisors is an integer number (1882865040).

Almost surely, 2^323739520416 is an apocalyptic number.

323739520416 is a gapful number since it is divisible by the number (36) 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 323739520416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542265131520).

323739520416 is an abundant number, since it is smaller than the sum of its proper divisors (760790742624).

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

323739520416 is a wasteful number, since it uses less digits than its factorization.

323739520416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 323739520416 in words is "three hundred twenty-three billion, seven hundred thirty-nine million, five hundred twenty thousand, four hundred sixteen".