2850408666 has 96 divisors (see below), whose sum is σ = 7731210240. Its totient is φ = 740049408.

The previous prime is 2850408641. The next prime is 2850408679. The reversal of 2850408666 is 6668040582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39175 + ... + 85061.

It is an arithmetic number, because the mean of its divisors is an integer number (80533440).

Almost surely, 2^2850408666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2850408666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3865605120).

2850408666 is an abundant number, since it is smaller than the sum of its proper divisors (4880801574).

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

2850408666 is a wasteful number, since it uses less digits than its factorization.

2850408666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45948 (or 45945 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2850408666 is about 53389.2186307311. The cubic root of 2850408666 is about 1417.8677026362.

The spelling of 2850408666 in words is "two billion, eight hundred fifty million, four hundred eight thousand, six hundred sixty-six".