2648051868 has 192 divisors, whose sum is σ = 8009809920. Its totient is φ = 660787200.

The previous prime is 2648051849. The next prime is 2648051881. The reversal of 2648051868 is 8681508462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5528053 + ... + 5528531.

It is an arithmetic number, because the mean of its divisors is an integer number (41717760).

Almost surely, 2^2648051868 is an apocalyptic number.

2648051868 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 2648051868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4004904960).

2648051868 is an abundant number, since it is smaller than the sum of its proper divisors (5361758052).

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

2648051868 is a wasteful number, since it uses less digits than its factorization.

2648051868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 2648051868 is about 51459.2252953734. The cubic root of 2648051868 is about 1383.4883162819.

The spelling of 2648051868 in words is "two billion, six hundred forty-eight million, fifty-one thousand, eight hundred sixty-eight".