2491310834720 has 192 divisors, whose sum is σ = 6572551870080. Its totient is φ = 886833266688.

The previous prime is 2491310834693. The next prime is 2491310834723. The reversal of 2491310834720 is 274380131942.

It is not an unprimeable number, because it can be changed into a prime (2491310834723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26982554 + ... + 27074726.

It is an arithmetic number, because the mean of its divisors is an integer number (34232040990).

Almost surely, 2^{2491310834720} is an apocalyptic number.

2491310834720 is a gapful number since it is divisible by the number (20) 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 2491310834720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3286275935040).

2491310834720 is an abundant number, since it is smaller than the sum of its proper divisors (4081241035360).

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

2491310834720 is a wasteful number, since it uses less digits than its factorization.

2491310834720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92747 (or 92739 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 2491310834720 in words is "two trillion, four hundred ninety-one billion, three hundred ten million, eight hundred thirty-four thousand, seven hundred twenty".