2889986560 has 40 divisors (see below), whose sum is σ = 6929200476. Its totient is φ = 1155993600.

The previous prime is 2889986543. The next prime is 2889986573. The reversal of 2889986560 is 656899882.

It can be written as a sum of positive squares in 2 ways, for example, as 2772654336 + 117332224 = 52656^2 + 10832^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561891 + ... + 567010.

Almost surely, 2^2889986560 is an apocalyptic number.

2889986560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2889986560 is an abundant number, since it is smaller than the sum of its proper divisors (4039213916).

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

2889986560 is an equidigital number, since it uses as much as digits as its factorization.

2889986560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128924 (or 1128908 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The square root of 2889986560 is about 53758.5952197414. The cubic root of 2889986560 is about 1424.3999213399.

The spelling of 2889986560 in words is "two billion, eight hundred eighty-nine million, nine hundred eighty-six thousand, five hundred sixty".