2808103144 has 96 divisors (see below), whose sum is σ = 6695156160. Its totient is φ = 1080668160.

The previous prime is 2808103121. The next prime is 2808103153. The reversal of 2808103144 is 4413018082.

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, 559912 + ... + 564904.

It is an arithmetic number, because the mean of its divisors is an integer number (69741210).

Almost surely, 2^2808103144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2808103144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3347578080).

2808103144 is an abundant number, since it is smaller than the sum of its proper divisors (3887053016).

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

2808103144 is a wasteful number, since it uses less digits than its factorization.

2808103144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111 (or 5096 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2808103144 is about 52991.5384188834. The cubic root of 2808103144 is about 1410.8180863572.

The spelling of 2808103144 in words is "two billion, eight hundred eight million, one hundred three thousand, one hundred forty-four".