2681430940 has 12 divisors (see below), whose sum is σ = 5631005016. Its totient is φ = 1072572368.

The previous prime is 2681430929. The next prime is 2681430949. The reversal of 2681430940 is 490341862.

It is a self number, because there is not a number n which added to its sum of digits gives 2681430940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681430949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67035754 + ... + 67035793.

It is an arithmetic number, because the mean of its divisors is an integer number (469250418).

Almost surely, 2^2681430940 is an apocalyptic number.

2681430940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2681430940 is an abundant number, since it is smaller than the sum of its proper divisors (2949574076).

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

2681430940 is a wasteful number, since it uses less digits than its factorization.

2681430940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134071556 (or 134071554 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2681430940 is about 51782.5350866487. The cubic root of 2681430940 is about 1389.2770838472.

The spelling of 2681430940 in words is "two billion, six hundred eighty-one million, four hundred thirty thousand, nine hundred forty".