6505244256 has 192 divisors, whose sum is σ = 19901306880. Its totient is φ = 1822279680.

The previous prime is 6505244227. The next prime is 6505244269. The reversal of 6505244256 is 6524425056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9608590 + ... + 9609266.

It is an arithmetic number, because the mean of its divisors is an integer number (103652640).

Almost surely, 2^6505244256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6505244256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9950653440).

6505244256 is an abundant number, since it is smaller than the sum of its proper divisors (13396062624).

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

6505244256 is a wasteful number, since it uses less digits than its factorization.

6505244256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 6505244256 is about 80655.0944206254. The cubic root of 6505244256 is about 1866.7573471821.

The spelling of 6505244256 in words is "six billion, five hundred five million, two hundred forty-four thousand, two hundred fifty-six".