6495362448540 has 192 divisors, whose sum is σ = 21735721598976. Its totient is φ = 1417035932928.

The previous prime is 6495362448521. The next prime is 6495362448541. The reversal of 6495362448540 is 458442635946.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6495362448541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3746449 + ... + 5198711.

It is an arithmetic number, because the mean of its divisors is an integer number (113206883328).

Almost surely, 2^{6495362448540} is an apocalyptic number.

6495362448540 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 6495362448540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10867860799488).

6495362448540 is an abundant number, since it is smaller than the sum of its proper divisors (15240359150436).

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

6495362448540 is a wasteful number, since it uses less digits than its factorization.

6495362448540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452768 (or 1452766 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 60.

The spelling of 6495362448540 in words is "six trillion, four hundred ninety-five billion, three hundred sixty-two million, four hundred forty-eight thousand, five hundred forty".