4405284666 has 24 divisors (see below), whose sum is σ = 9605584404. Its totient is φ = 1459074240.

The previous prime is 4405284661. The next prime is 4405284671. The reversal of 4405284666 is 6664825044.

It is an interprime number because it is at equal distance from previous prime (4405284661) and next prime (4405284671).

It can be written as a sum of positive squares in 2 ways, for example, as 4353228441 + 52056225 = 65979^2 + 7215^2 .

It is not an unprimeable number, because it can be changed into a prime (4405284661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 776595 + ... + 782246.

Almost surely, 2^4405284666 is an apocalyptic number.

4405284666 is an abundant number, since it is smaller than the sum of its proper divisors (5200299738).

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

4405284666 is a wasteful number, since it uses less digits than its factorization.

4405284666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559006 (or 1559003 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The square root of 4405284666 is about 66372.3185221068. The cubic root of 4405284666 is about 1639.2983149818.

The spelling of 4405284666 in words is "four billion, four hundred five million, two hundred eighty-four thousand, six hundred sixty-six".