321333468840 has 48 divisors (see below), whose sum is σ = 1044333774900. Its totient is φ = 85688924928.

The previous prime is 321333468821. The next prime is 321333468857. The reversal of 321333468840 is 48864333123.

321333468840 is a `hidden beast` number, since 3 + 213 + 334 + 68 + 8 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 316858661604 + 4474807236 = 562902^2 + 66894^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446296125 + ... + 446296844.

Almost surely, 2^321333468840 is an apocalyptic number.

321333468840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321333468840 is an abundant number, since it is smaller than the sum of its proper divisors (723000306060).

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

321333468840 is a wasteful number, since it uses less digits than its factorization.

321333468840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892592986 (or 892592979 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 321333468840 in words is "three hundred twenty-one billion, three hundred thirty-three million, four hundred sixty-eight thousand, eight hundred forty".