2866840320 has 144 divisors (see below), whose sum is σ = 9451717632. Its totient is φ = 739799040.

The previous prime is 2866840297. The next prime is 2866840381. The reversal of 2866840320 is 230486682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106999 + ... + 131081.

It is an arithmetic number, because the mean of its divisors is an integer number (65636928).

Almost surely, 2^2866840320 is an apocalyptic number.

2866840320 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 2866840320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4725858816).

2866840320 is an abundant number, since it is smaller than the sum of its proper divisors (6584877312).

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

2866840320 is a wasteful number, since it uses less digits than its factorization.

2866840320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138 (or 24124 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 2866840320 is about 53542.8830004511. The cubic root of 2866840320 is about 1420.5869952981.

The spelling of 2866840320 in words is "two billion, eight hundred sixty-six million, eight hundred forty thousand, three hundred twenty".