2808778536960 has 576 divisors, whose sum is σ = 10458299124000. Its totient is φ = 640847708160.

The previous prime is 2808778536953. The next prime is 2808778536973. The reversal of 2808778536960 is 696358778082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63168816 + ... + 63213264.

Almost surely, 2^{2808778536960} is an apocalyptic number.

2808778536960 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 2808778536960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5229149562000).

2808778536960 is an abundant number, since it is smaller than the sum of its proper divisors (7649520587040).

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

2808778536960 is a wasteful number, since it uses less digits than its factorization.

2808778536960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44518 (or 44487 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 2808778536960 in words is "two trillion, eight hundred eight billion, seven hundred seventy-eight million, five hundred thirty-six thousand, nine hundred sixty".