2681042540 has 24 divisors (see below), whose sum is σ = 6142025232. Its totient is φ = 974924480.

The previous prime is 2681042527. The next prime is 2681042563. The reversal of 2681042540 is 452401862.

It is a junction number, because it is equal to n+sod(n) for n = 2681042497 and 2681042506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6093059 + ... + 6093498.

It is an arithmetic number, because the mean of its divisors is an integer number (255917718).

Almost surely, 2^2681042540 is an apocalyptic number.

2681042540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2681042540 is an abundant number, since it is smaller than the sum of its proper divisors (3460982692).

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

2681042540 is a wasteful number, since it uses less digits than its factorization.

2681042540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12186577 (or 12186575 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2681042540 is about 51778.7846516312. The cubic root of 2681042540 is about 1389.2100025901.

The spelling of 2681042540 in words is "two billion, six hundred eighty-one million, forty-two thousand, five hundred forty".