321034512480 has 192 divisors, whose sum is σ = 1106203972608. Its totient is φ = 77614018560.

The previous prime is 321034512467. The next prime is 321034512499. The reversal of 321034512480 is 84215430123.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1854924 + ... + 2020596.

It is an arithmetic number, because the mean of its divisors is an integer number (5761479024).

Almost surely, 2^321034512480 is an apocalyptic number.

321034512480 is a gapful number since it is divisible by the number (30) 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 321034512480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553101986304).

321034512480 is an abundant number, since it is smaller than the sum of its proper divisors (785169460128).

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

321034512480 is a wasteful number, since it uses less digits than its factorization.

321034512480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166069 (or 166061 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 321034512480 in words is "three hundred twenty-one billion, thirty-four million, five hundred twelve thousand, four hundred eighty".