6506302803840 has 512 divisors, whose sum is σ = 26376306969600. Its totient is φ = 1484824338432.

The previous prime is 6506302803779. The next prime is 6506302803857. The reversal of 6506302803840 is 483082036056.

It is a happy number.

6506302803840 is a `hidden beast` number, since 6 + 5 + 0 + 630 + 2 + 8 + 0 + 3 + 8 + 4 + 0 = 666.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77735454 + ... + 77819106.

It is an arithmetic number, because the mean of its divisors is an integer number (51516224550).

Almost surely, 2^{6506302803840} is an apocalyptic number.

6506302803840 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 6506302803840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13188153484800).

6506302803840 is an abundant number, since it is smaller than the sum of its proper divisors (19870004165760).

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

6506302803840 is a wasteful number, since it uses less digits than its factorization.

6506302803840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84331 (or 84313 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

Adding to 6506302803840 its reverse (483082036056), we get a palindrome (6989384839896).

The spelling of 6506302803840 in words is "six trillion, five hundred six billion, three hundred two million, eight hundred three thousand, eight hundred forty".