321494911848 has 384 divisors, whose sum is σ = 993112473600. Its totient is φ = 93078720000.

The previous prime is 321494911823. The next prime is 321494911853. The reversal of 321494911848 is 848119494123.

321494911848 is a `hidden beast` number, since 3 + 2 + 149 + 491 + 1 + 8 + 4 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 321494911794 and 321494911803.

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 95 ways as a sum of consecutive naturals, for example, 1186327953 + ... + 1186328223.

It is an arithmetic number, because the mean of its divisors is an integer number (2586230400).

Almost surely, 2^321494911848 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 321494911848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496556236800).

321494911848 is an abundant number, since it is smaller than the sum of its proper divisors (671617561752).

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

321494911848 is a wasteful number, since it uses less digits than its factorization.

321494911848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 758 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 321494911848 in words is "three hundred twenty-one billion, four hundred ninety-four million, nine hundred eleven thousand, eight hundred forty-eight".