2788551360 has 672 divisors, whose sum is σ = 11716024320. Its totient is φ = 618098688.

The previous prime is 2788551343. The next prime is 2788551383. The reversal of 2788551360 is 631558872.

2788551360 is a `hidden beast` number, since 2 + 78 + 8 + 5 + 513 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25582986 + ... + 25583094.

It is an arithmetic number, because the mean of its divisors is an integer number (17434560).

Almost surely, 2^2788551360 is an apocalyptic number.

2788551360 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 2788551360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5858012160).

2788551360 is an abundant number, since it is smaller than the sum of its proper divisors (8927472960).

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

2788551360 is a wasteful number, since it uses less digits than its factorization.

2788551360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2788551360 is about 52806.7359339696. The cubic root of 2788551360 is about 1407.5361225845.

The spelling of 2788551360 in words is "two billion, seven hundred eighty-eight million, five hundred fifty-one thousand, three hundred sixty".