2499718320 has 200 divisors, whose sum is σ = 9471425040. Its totient is φ = 605975040.

The previous prime is 2499718297. The next prime is 2499718327. The reversal of 2499718320 is 238179942.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2499718327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53746 + ... + 88814.

Almost surely, 2^2499718320 is an apocalyptic number.

2499718320 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 2499718320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4735712520).

2499718320 is an abundant number, since it is smaller than the sum of its proper divisors (6971706720).

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

2499718320 is a wasteful number, since it uses less digits than its factorization.

2499718320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35105 (or 35090 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2499718320 is about 49997.1831206519. The cubic root of 2499718320 is about 1357.1578332393.

The spelling of 2499718320 in words is "two billion, four hundred ninety-nine million, seven hundred eighteen thousand, three hundred twenty".