8065494041280 has 448 divisors, whose sum is σ = 28391408962560. Its totient is φ = 1927037730816.

The previous prime is 8065494041263. The next prime is 8065494041321. The reversal of 8065494041280 is 821404945608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193456597 + ... + 193498283.

It is an arithmetic number, because the mean of its divisors is an integer number (63373680720).

Almost surely, 2^{8065494041280} is an apocalyptic number.

8065494041280 is a gapful number since it is divisible by the number (80) 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 8065494041280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14195704481280).

8065494041280 is an abundant number, since it is smaller than the sum of its proper divisors (20325914921280).

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

8065494041280 is a wasteful number, since it uses less digits than its factorization.

8065494041280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42176 (or 42166 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

Adding to 8065494041280 its reverse (821404945608), we get a palindrome (8886898986888).

The spelling of 8065494041280 in words is "eight trillion, sixty-five billion, four hundred ninety-four million, forty-one thousand, two hundred eighty".