2045206650 has 96 divisors (see below), whose sum is σ = 5158598400. Its totient is φ = 536166400.

The previous prime is 2045206637. The next prime is 2045206673. The reversal of 2045206650 is 566025402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3190330 + ... + 3190970.

It is an arithmetic number, because the mean of its divisors is an integer number (53735400).

Almost surely, 2^2045206650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045206650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579299200).

2045206650 is an abundant number, since it is smaller than the sum of its proper divisors (3113391750).

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

2045206650 is a wasteful number, since it uses less digits than its factorization.

2045206650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2045206650 is about 45223.9610162577. The cubic root of 2045206650 is about 1269.3432134187.

The spelling of 2045206650 in words is "two billion, forty-five million, two hundred six thousand, six hundred fifty".