2681334140 has 48 divisors (see below), whose sum is σ = 5699013600. Its totient is φ = 1059581952.

The previous prime is 2681334137. The next prime is 2681334179. The reversal of 2681334140 is 414331862.

It is a junction number, because it is equal to n+sod(n) for n = 2681334097 and 2681334106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665656 + ... + 1667264.

It is an arithmetic number, because the mean of its divisors is an integer number (118729450).

Almost surely, 2^2681334140 is an apocalyptic number.

2681334140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2681334140 is an abundant number, since it is smaller than the sum of its proper divisors (3017679460).

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

2681334140 is a wasteful number, since it uses less digits than its factorization.

2681334140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2681334140 is about 51781.6004001421. The cubic root of 2681334140 is about 1389.2603659525.

The spelling of 2681334140 in words is "two billion, six hundred eighty-one million, three hundred thirty-four thousand, one hundred forty".