4494489120 has 672 divisors, whose sum is σ = 18086229504. Its totient is φ = 1045094400.

The previous prime is 4494489091. The next prime is 4494489161. The reversal of 4494489120 is 219844944.

4494489120 is a `hidden beast` number, since 4 + 49 + 4 + 489 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 39774184 + ... + 39774296.

It is an arithmetic number, because the mean of its divisors is an integer number (26914032).

Almost surely, 2^4494489120 is an apocalyptic number.

4494489120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4494489120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9043114752).

4494489120 is an abundant number, since it is smaller than the sum of its proper divisors (13591740384).

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

4494489120 is a wasteful number, since it uses less digits than its factorization.

4494489120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 4494489120 is about 67040.9510672395. The cubic root of 4494489120 is about 1650.2894037822.

The spelling of 4494489120 in words is "four billion, four hundred ninety-four million, four hundred eighty-nine thousand, one hundred twenty".