6560726040 has 192 divisors, whose sum is σ = 23889958560. Its totient is φ = 1547458560.

The previous prime is 6560726033. The next prime is 6560726063. The reversal of 6560726040 is 406270656.

6560726040 is a `hidden beast` number, since 6 + 5 + 607 + 2 + 6 + 0 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 6560725986 and 6560726004.

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, 124132 + ... + 168908.

Almost surely, 2^6560726040 is an apocalyptic number.

6560726040 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 6560726040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11944979280).

6560726040 is an abundant number, since it is smaller than the sum of its proper divisors (17329232520).

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

6560726040 is a wasteful number, since it uses less digits than its factorization.

6560726040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44842 (or 44835 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 6560726040 is about 80998.3088712351. The cubic root of 6560726040 is about 1872.0493836961.

Adding to 6560726040 its reverse (406270656), we get a palindrome (6966996696).

The spelling of 6560726040 in words is "six billion, five hundred sixty million, seven hundred twenty-six thousand, forty".