2861460880 has 20 divisors (see below), whose sum is σ = 6652896732. Its totient is φ = 1144584320.

The previous prime is 2861460841. The next prime is 2861460887. The reversal of 2861460880 is 880641682.

It can be written as a sum of positive squares in 2 ways, for example, as 1204645264 + 1656815616 = 34708^2 + 40704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2861460887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17884051 + ... + 17884210.

Almost surely, 2^2861460880 is an apocalyptic number.

2861460880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2861460880 is an abundant number, since it is smaller than the sum of its proper divisors (3791435852).

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

2861460880 is a wasteful number, since it uses less digits than its factorization.

2861460880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35768274 (or 35768268 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 2861460880 is about 53492.6245383417. The cubic root of 2861460880 is about 1419.6978924853.

The spelling of 2861460880 in words is "two billion, eight hundred sixty-one million, four hundred sixty thousand, eight hundred eighty".