6501795480 has 384 divisors, whose sum is σ = 23146905600. Its totient is φ = 1638185472.

The previous prime is 6501795467. The next prime is 6501795491. The reversal of 6501795480 is 845971056.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28392006 + ... + 28392234.

It is an arithmetic number, because the mean of its divisors is an integer number (60278400).

Almost surely, 2^6501795480 is an apocalyptic number.

6501795480 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 6501795480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11573452800).

6501795480 is an abundant number, since it is smaller than the sum of its proper divisors (16645110120).

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

6501795480 is a wasteful number, since it uses less digits than its factorization.

6501795480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 6501795480 is about 80633.7118083993. The cubic root of 6501795480 is about 1866.4273997462.

The spelling of 6501795480 in words is "six billion, five hundred one million, seven hundred ninety-five thousand, four hundred eighty".