2630249860 has 96 divisors (see below), whose sum is σ = 6775937280. Its totient is φ = 837070848.

The previous prime is 2630249851. The next prime is 2630249873. The reversal of 2630249860 is 689420362.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166171 + ... + 181309.

It is an arithmetic number, because the mean of its divisors is an integer number (70582680).

Almost surely, 2^2630249860 is an apocalyptic number.

2630249860 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 2630249860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3387968640).

2630249860 is an abundant number, since it is smaller than the sum of its proper divisors (4145687420).

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

2630249860 is a wasteful number, since it uses less digits than its factorization.

2630249860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245 (or 15243 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 2630249860 is about 51285.9616269404. The cubic root of 2630249860 is about 1380.3810926776.

The spelling of 2630249860 in words is "two billion, six hundred thirty million, two hundred forty-nine thousand, eight hundred sixty".