2840866560 has 288 divisors, whose sum is σ = 11522273280. Its totient is φ = 649285632.

The previous prime is 2840866547. The next prime is 2840866573. The reversal of 2840866560 is 656680482.

2840866560 is a `hidden beast` number, since 2 + 8 + 4 + 0 + 86 + 6 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (2840866547) and next prime (2840866573).

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236049 + ... + 247791.

Almost surely, 2^2840866560 is an apocalyptic number.

2840866560 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 2840866560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5761136640).

2840866560 is an abundant number, since it is smaller than the sum of its proper divisors (8681406720).

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

2840866560 is a wasteful number, since it uses less digits than its factorization.

2840866560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11780 (or 11760 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2840866560 is about 53299.7801121168. The cubic root of 2840866560 is about 1416.2837696148.

The spelling of 2840866560 in words is "two billion, eight hundred forty million, eight hundred sixty-six thousand, five hundred sixty".