408321332480 has 144 divisors (see below), whose sum is σ = 982818809280. Its totient is φ = 162535735296.

The previous prime is 408321332479. The next prime is 408321332501. The reversal of 408321332480 is 84233123804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314819192 + ... + 314820488.

It is an arithmetic number, because the mean of its divisors is an integer number (6825130620).

Almost surely, 2^408321332480 is an apocalyptic number.

408321332480 is a gapful number since it is divisible by the number (40) 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 408321332480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491409404640).

408321332480 is an abundant number, since it is smaller than the sum of its proper divisors (574497476800).

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

408321332480 is a wasteful number, since it uses less digits than its factorization.

408321332480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 408321332480 in words is "four hundred eight billion, three hundred twenty-one million, three hundred thirty-two thousand, four hundred eighty".