2085558570 has 64 divisors (see below), whose sum is σ = 5584740480. Its totient is φ = 553824000.

The previous prime is 2085558569. The next prime is 2085558571. The reversal of 2085558570 is 758555802.

2085558570 is a `hidden beast` number, since 20 + 8 + 5 + 5 + 58 + 570 = 666.

2085558570 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2085558569) and next prime (2085558571).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2085558571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49045 + ... + 81095.

It is an arithmetic number, because the mean of its divisors is an integer number (87261570).

Almost surely, 2^2085558570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2085558570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2792370240).

2085558570 is an abundant number, since it is smaller than the sum of its proper divisors (3499181910).

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

2085558570 is a wasteful number, since it uses less digits than its factorization.

2085558570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32308 (or 32302 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 45.

The square root of 2085558570 is about 45667.9161994501. The cubic root of 2085558570 is about 1277.6369508117.

The spelling of 2085558570 in words is "two billion, eighty-five million, five hundred fifty-eight thousand, five hundred seventy".