2808542880 has 576 divisors, whose sum is σ = 11769069312. Its totient is φ = 600145920.

The previous prime is 2808542861. The next prime is 2808542899. The reversal of 2808542880 is 882458082.

2808542880 is a `hidden beast` number, since 28 + 0 + 8 + 542 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (2808542861) and next prime (2808542899).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4735864 + ... + 4736456.

It is an arithmetic number, because the mean of its divisors is an integer number (20432412).

Almost surely, 2^2808542880 is an apocalyptic number.

2808542880 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 2808542880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5884534656).

2808542880 is an abundant number, since it is smaller than the sum of its proper divisors (8960526432).

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

2808542880 is a wasteful number, since it uses less digits than its factorization.

2808542880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The square root of 2808542880 is about 52995.6873717098. The cubic root of 2808542880 is about 1410.8917250485.

The spelling of 2808542880 in words is "two billion, eight hundred eight million, five hundred forty-two thousand, eight hundred eighty".