4456666008 has 160 divisors (see below), whose sum is σ = 13443051600. Its totient is φ = 1374271488.

The previous prime is 4456666003. The next prime is 4456666043. The reversal of 4456666008 is 8006666544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4456666003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 646516 + ... + 653372.

Almost surely, 2^4456666008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4456666008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6721525800).

4456666008 is an abundant number, since it is smaller than the sum of its proper divisors (8986385592).

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

4456666008 is a wasteful number, since it uses less digits than its factorization.

4456666008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951 (or 6938 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 4456666008 is about 66758.2654657833. The cubic root of 4456666008 is about 1645.6470519873.

The spelling of 4456666008 in words is "four billion, four hundred fifty-six million, six hundred sixty-six thousand, eight".