2680040853 has 12 divisors (see below), whose sum is σ = 4424194528. Its totient is φ = 1531451880.

The previous prime is 2680040851. The next prime is 2680040863. The reversal of 2680040853 is 3580400862.

It is not a de Polignac number, because 2680040853 - 2¹ = 2680040851 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680040851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21270103 + ... + 21270228.

Almost surely, 2^2680040853 is an apocalyptic number.

It is an amenable number.

2680040853 is a deficient number, since it is larger than the sum of its proper divisors (1744153675).

2680040853 is a wasteful number, since it uses less digits than its factorization.

2680040853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42540344 (or 42540341 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2680040853 is about 51769.1109929464. The cubic root of 2680040853 is about 1389.0369695357.

The spelling of 2680040853 in words is "two billion, six hundred eighty million, forty thousand, eight hundred fifty-three".