2681045850 has 144 divisors (see below), whose sum is σ = 7854836544. Its totient is φ = 592819200.

The previous prime is 2681045837. The next prime is 2681045893. The reversal of 2681045850 is 585401862.

It is a junction number, because it is equal to n+sod(n) for n = 2681045799 and 2681045808.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1007722 + ... + 1010378.

It is an arithmetic number, because the mean of its divisors is an integer number (54547476).

Almost surely, 2^2681045850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681045850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3927418272).

2681045850 is an abundant number, since it is smaller than the sum of its proper divisors (5173790694).

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

2681045850 is a wasteful number, since it uses less digits than its factorization.

2681045850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2681045850 is about 51778.8166145191. The cubic root of 2681045850 is about 1389.2105742935.

The spelling of 2681045850 in words is "two billion, six hundred eighty-one million, forty-five thousand, eight hundred fifty".