4450667868 has 18 divisors (see below), whose sum is σ = 11250299424. Its totient is φ = 1483555944.

The previous prime is 4450667857. The next prime is 4450667933. The reversal of 4450667868 is 8687660544.

4450667868 is a `hidden beast` number, since 4 + 4 + 506 + 6 + 78 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61814796 + ... + 61814867.

Almost surely, 2^4450667868 is an apocalyptic number.

It is an amenable number.

4450667868 is an abundant number, since it is smaller than the sum of its proper divisors (6799631556).

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

4450667868 is a wasteful number, since it uses less digits than its factorization.

4450667868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123629673 (or 123629668 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The square root of 4450667868 is about 66713.3260151223. The cubic root of 4450667868 is about 1644.9084390855.

The spelling of 4450667868 in words is "four billion, four hundred fifty million, six hundred sixty-seven thousand, eight hundred sixty-eight".