2140402760 has 16 divisors (see below), whose sum is σ = 4815906300. Its totient is φ = 856161088.

The previous prime is 2140402757. The next prime is 2140402769. The reversal of 2140402760 is 672040412.

It can be written as a sum of positive squares in 2 ways, for example, as 1915462756 + 224940004 = 43766^2 + 14998^2 .

It is not an unprimeable number, because it can be changed into a prime (2140402769) 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, 26754995 + ... + 26755074.

Almost surely, 2^2140402760 is an apocalyptic number.

2140402760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140402760 is an abundant number, since it is smaller than the sum of its proper divisors (2675503540).

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

2140402760 is a wasteful number, since it uses less digits than its factorization.

2140402760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53510080 (or 53510076 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2140402760 is about 46264.4870283893. The cubic root of 2140402760 is about 1288.7395817380.

The spelling of 2140402760 in words is "two billion, one hundred forty million, four hundred two thousand, seven hundred sixty".