4454521120 has 192 divisors, whose sum is σ = 12717492480. Its totient is φ = 1440350208.

The previous prime is 4454521117. The next prime is 4454521129. The reversal of 4454521120 is 211254544.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (4454521129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7511544 + ... + 7512136.

It is an arithmetic number, because the mean of its divisors is an integer number (66236940).

Almost surely, 2^4454521120 is an apocalyptic number.

4454521120 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 4454521120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6358746240).

4454521120 is an abundant number, since it is smaller than the sum of its proper divisors (8262971360).

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

4454521120 is a wasteful number, since it uses less digits than its factorization.

4454521120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4454521120 is about 66742.1989448954. The cubic root of 4454521120 is about 1645.3830059480.

Adding to 4454521120 its reverse (211254544), we get a palindrome (4665775664).

The spelling of 4454521120 in words is "four billion, four hundred fifty-four million, five hundred twenty-one thousand, one hundred twenty".