2499309280 has 192 divisors, whose sum is σ = 6657251328. Its totient is φ = 880404480.

The previous prime is 2499309227. The next prime is 2499309289. The reversal of 2499309280 is 829039942.

2499309280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2499309280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499309289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5351607 + ... + 5352073.

It is an arithmetic number, because the mean of its divisors is an integer number (34673184).

Almost surely, 2^2499309280 is an apocalyptic number.

2499309280 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 2499309280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328625664).

2499309280 is an abundant number, since it is smaller than the sum of its proper divisors (4157942048).

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

2499309280 is a wasteful number, since it uses less digits than its factorization.

2499309280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2499309280 is about 49993.0923228400. The cubic root of 2499309280 is about 1357.0838032819.

The spelling of 2499309280 in words is "two billion, four hundred ninety-nine million, three hundred nine thousand, two hundred eighty".