6500502565240 has 128 divisors (see below), whose sum is σ = 15816406694400. Its totient is φ = 2396108459520.

The previous prime is 6500502565181. The next prime is 6500502565283. The reversal of 6500502565240 is 425652050056.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6500502565193 and 6500502565202.

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, 108147595 + ... + 108207685.

It is an arithmetic number, because the mean of its divisors is an integer number (123565677300).

Almost surely, 2^{6500502565240} 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 6500502565240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7908203347200).

6500502565240 is an abundant number, since it is smaller than the sum of its proper divisors (9315904129160).

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

6500502565240 is a wasteful number, since it uses less digits than its factorization.

6500502565240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64005 (or 64001 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 6500502565240 in words is "six trillion, five hundred billion, five hundred two million, five hundred sixty-five thousand, two hundred forty".