6547020480 has 896 divisors, whose sum is σ = 31051560960. Its totient is φ = 1254113280.

The previous prime is 6547020457. The next prime is 6547020499. The reversal of 6547020480 is 840207456.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8648262 + ... + 8649018.

It is an arithmetic number, because the mean of its divisors is an integer number (34655760).

Almost surely, 2^6547020480 is an apocalyptic number.

6547020480 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 6547020480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15525780480).

6547020480 is an abundant number, since it is smaller than the sum of its proper divisors (24504540480).

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

6547020480 is a wasteful number, since it uses less digits than its factorization.

6547020480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 6547020480 is about 80913.6606513387. The cubic root of 6547020480 is about 1870.7448851703.

The spelling of 6547020480 in words is "six billion, five hundred forty-seven million, twenty thousand, four hundred eighty".