2650308668 has 72 divisors (see below), whose sum is σ = 5720319360. Its totient is φ = 1069407360.

The previous prime is 2650308659. The next prime is 2650308677. The reversal of 2650308668 is 8668030562.

It is an interprime number because it is at equal distance from previous prime (2650308659) and next prime (2650308677).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218918 + ... + 230706.

It is an arithmetic number, because the mean of its divisors is an integer number (79448880).

Almost surely, 2^2650308668 is an apocalyptic number.

2650308668 is a gapful number since it is divisible by the number (28) 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 2650308668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860159680).

2650308668 is an abundant number, since it is smaller than the sum of its proper divisors (3070010692).

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

2650308668 is a wasteful number, since it uses less digits than its factorization.

2650308668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875 (or 11866 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 2650308668 is about 51481.1486662837. The cubic root of 2650308668 is about 1383.8812302715.

The spelling of 2650308668 in words is "two billion, six hundred fifty million, three hundred eight thousand, six hundred sixty-eight".