6484470720 has 448 divisors, whose sum is σ = 25534924800. Its totient is φ = 1357627392.

The previous prime is 6484470719. The next prime is 6484470737. The reversal of 6484470720 is 270744846.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17384454 + ... + 17384826.

It is an arithmetic number, because the mean of its divisors is an integer number (56997600).

Almost surely, 2^6484470720 is an apocalyptic number.

6484470720 is a gapful number since it is divisible by the number (60) 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 6484470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767462400).

6484470720 is an abundant number, since it is smaller than the sum of its proper divisors (19050454080).

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

6484470720 is a wasteful number, since it uses less digits than its factorization.

6484470720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 6484470720 is about 80526.2113848652. The cubic root of 6484470720 is about 1864.7681570605.

The spelling of 6484470720 in words is "six billion, four hundred eighty-four million, four hundred seventy thousand, seven hundred twenty".