2045584660 has 48 divisors (see below), whose sum is σ = 4918193280. Its totient is φ = 700087680.

The previous prime is 2045584657. The next prime is 2045584679. The reversal of 2045584660 is 664855402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67146 + ... + 92734.

It is an arithmetic number, because the mean of its divisors is an integer number (102462360).

Almost surely, 2^2045584660 is an apocalyptic number.

2045584660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045584660 is an abundant number, since it is smaller than the sum of its proper divisors (2872608620).

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

2045584660 is a wasteful number, since it uses less digits than its factorization.

2045584660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26176 (or 26174 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 2045584660 is about 45228.1401342129. The cubic root of 2045584660 is about 1269.4214116893.

The spelling of 2045584660 in words is "two billion, forty-five million, five hundred eighty-four thousand, six hundred sixty".