2680085394 has 256 divisors, whose sum is σ = 7708262400. Its totient is φ = 680244480.

The previous prime is 2680085393. The next prime is 2680085407. The reversal of 2680085394 is 4935800862.

It is not an unprimeable number, because it can be changed into a prime (2680085393) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9889479 + ... + 9889749.

It is an arithmetic number, because the mean of its divisors is an integer number (30110400).

Almost surely, 2^2680085394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2680085394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3854131200).

2680085394 is an abundant number, since it is smaller than the sum of its proper divisors (5028177006).

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

2680085394 is a wasteful number, since it uses less digits than its factorization.

2680085394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2680085394 is about 51769.5411801186. The cubic root of 2680085394 is about 1389.0446645369.

The spelling of 2680085394 in words is "two billion, six hundred eighty million, eighty-five thousand, three hundred ninety-four".