604821321456 has 160 divisors (see below), whose sum is σ = 1719947416320. Its totient is φ = 181624934400.

The previous prime is 604821321373. The next prime is 604821321469. The reversal of 604821321456 is 654123128406.

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, 27681096 + ... + 27702936.

It is an arithmetic number, because the mean of its divisors is an integer number (10749671352).

Almost surely, 2^604821321456 is an apocalyptic number.

604821321456 is a gapful number since it is divisible by the number (66) 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 604821321456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859973708160).

604821321456 is an abundant number, since it is smaller than the sum of its proper divisors (1115126094864).

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

604821321456 is a wasteful number, since it uses less digits than its factorization.

604821321456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22335 (or 22329 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 604821321456 in words is "six hundred four billion, eight hundred twenty-one million, three hundred twenty-one thousand, four hundred fifty-six".