2491611360 has 384 divisors, whose sum is σ = 9754214400. Its totient is φ = 521717760.

The previous prime is 2491611289. The next prime is 2491611361. The reversal of 2491611360 is 631161942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491611361) 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 63 ways as a sum of consecutive naturals, for example, 1978411 + ... + 1979669.

It is an arithmetic number, because the mean of its divisors is an integer number (25401600).

Almost surely, 2^2491611360 is an apocalyptic number.

2491611360 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 2491611360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4877107200).

2491611360 is an abundant number, since it is smaller than the sum of its proper divisors (7262603040).

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

2491611360 is a wasteful number, since it uses less digits than its factorization.

2491611360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2491611360 is about 49916.0431124103. The cubic root of 2491611360 is about 1355.6890890979.

The spelling of 2491611360 in words is "two billion, four hundred ninety-one million, six hundred eleven thousand, three hundred sixty".