4458389616 has 60 divisors (see below), whose sum is σ = 12485755672. Its totient is φ = 1485122688.

The previous prime is 4458389603. The next prime is 4458389633. The reversal of 4458389616 is 6169838544.

4458389616 is a `hidden beast` number, since 44 + 583 + 8 + 9 + 6 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220275 + ... + 239661.

Almost surely, 2^4458389616 is an apocalyptic number.

It is an amenable number.

4458389616 is an abundant number, since it is smaller than the sum of its proper divisors (8027366056).

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

4458389616 is a wasteful number, since it uses less digits than its factorization.

4458389616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20998 (or 20989 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 4458389616 is about 66771.1735406830. The cubic root of 4458389616 is about 1645.8591750432.

The spelling of 4458389616 in words is "four billion, four hundred fifty-eight million, three hundred eighty-nine thousand, six hundred sixteen".