2085850680 has 128 divisors (see below), whose sum is σ = 6577804800. Its totient is φ = 528118272.

The previous prime is 2085850643. The next prime is 2085850693. The reversal of 2085850680 is 860585802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380922 + ... + 386358.

It is an arithmetic number, because the mean of its divisors is an integer number (51389100).

Almost surely, 2^2085850680 is an apocalyptic number.

2085850680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2085850680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3288902400).

2085850680 is an abundant number, since it is smaller than the sum of its proper divisors (4491954120).

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

2085850680 is a wasteful number, since it uses less digits than its factorization.

2085850680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613 (or 5609 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 2085850680 is about 45671.1142846329. The cubic root of 2085850680 is about 1277.6965979988.

The spelling of 2085850680 in words is "two billion, eighty-five million, eight hundred fifty thousand, six hundred eighty".