2681081280 has 84 divisors (see below), whose sum is σ = 9221812392. Its totient is φ = 714954240.

The previous prime is 2681081269. The next prime is 2681081303. The reversal of 2681081280 is 821801862.

2681081280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2681081280³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 462586 + ... + 468345.

Almost surely, 2^2681081280 is an apocalyptic number.

2681081280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2681081280 is an abundant number, since it is smaller than the sum of its proper divisors (6540731112).

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

2681081280 is a wasteful number, since it uses less digits than its factorization.

2681081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930954 (or 930941 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 2681081280 is about 51779.1587417177. The cubic root of 2681081280 is about 1389.2166937355.

The spelling of 2681081280 in words is "two billion, six hundred eighty-one million, eighty-one thousand, two hundred eighty".