2140008840 has 48 divisors (see below), whose sum is σ = 6955029900. Its totient is φ = 570668928.

The previous prime is 2140008811. The next prime is 2140008851. The reversal of 2140008840 is 488000412.

It can be written as a sum of positive squares in 2 ways, for example, as 1938993156 + 201015684 = 44034^2 + 14178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2971875 + ... + 2972594.

Almost surely, 2^2140008840 is an apocalyptic number.

2140008840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140008840 is an abundant number, since it is smaller than the sum of its proper divisors (4815021060).

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

2140008840 is a wasteful number, since it uses less digits than its factorization.

2140008840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944486 (or 5944479 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 2140008840 is about 46260.2295714148. The cubic root of 2140008840 is about 1288.6605169545.

The spelling of 2140008840 in words is "two billion, one hundred forty million, eight thousand, eight hundred forty".