2806851240 has 96 divisors (see below), whose sum is σ = 9134779680. Its totient is φ = 747467136.

The previous prime is 2806851199. The next prime is 2806851263. The reversal of 2806851240 is 421586082.

2806851240 is a `hidden beast` number, since 2 + 80 + 68 + 512 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2806851195 and 2806851204.

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, 278367 + ... + 288273.

It is an arithmetic number, because the mean of its divisors is an integer number (95153955).

Almost surely, 2^2806851240 is an apocalyptic number.

2806851240 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 2806851240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4567389840).

2806851240 is an abundant number, since it is smaller than the sum of its proper divisors (6327928440).

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

2806851240 is a wasteful number, since it uses less digits than its factorization.

2806851240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711 (or 10704 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2806851240 is about 52979.7248010973. The cubic root of 2806851240 is about 1410.6083989811.

The spelling of 2806851240 in words is "two billion, eight hundred six million, eight hundred fifty-one thousand, two hundred forty".