2045822670 has 160 divisors (see below), whose sum is σ = 5886245376. Its totient is φ = 508032000.

The previous prime is 2045822659. The next prime is 2045822749. The reversal of 2045822670 is 762285402.

2045822670 is a `hidden beast` number, since 2 + 0 + 4 + 582 + 2 + 6 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1390035 + ... + 1391505.

Almost surely, 2^2045822670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045822670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943122688).

2045822670 is an abundant number, since it is smaller than the sum of its proper divisors (3840422706).

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

2045822670 is a wasteful number, since it uses less digits than its factorization.

2045822670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2045822670 is about 45230.7712735478. The cubic root of 2045822670 is about 1269.4706434614.

The spelling of 2045822670 in words is "two billion, forty-five million, eight hundred twenty-two thousand, six hundred seventy".