8216604438480 has 240 divisors, whose sum is σ = 28844794767360. Its totient is φ = 2093572915200.

The previous prime is 8216604438479. The next prime is 8216604438529. The reversal of 8216604438480 is 848344066128.

It is a happy number.

8216604438480 is a `hidden beast` number, since 8 + 2 + 166 + 0 + 4 + 438 + 48 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×8216604438480² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 566641 + ... + 4093200.

It is an arithmetic number, because the mean of its divisors is an integer number (120186644864).

Almost surely, 2^{8216604438480} is an apocalyptic number.

8216604438480 is a gapful number since it is divisible by the number (80) 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 8216604438480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14422397383680).

8216604438480 is an abundant number, since it is smaller than the sum of its proper divisors (20628190328880).

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

8216604438480 is a wasteful number, since it uses less digits than its factorization.

8216604438480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659970 (or 4659961 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 8216604438480 in words is "eight trillion, two hundred sixteen billion, six hundred four million, four hundred thirty-eight thousand, four hundred eighty".