4509352448 has 80 divisors (see below), whose sum is σ = 9363519000. Its totient is φ = 2166915072.

The previous prime is 4509352429. The next prime is 4509352453. The reversal of 4509352448 is 8442539054.

It can be written as a sum of positive squares in 4 ways, for example, as 1793691904 + 2715660544 = 42352^2 + 52112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4509352399 and 4509352408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3993548 + ... + 3994676.

Almost surely, 2^4509352448 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 4509352448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4681759500).

4509352448 is an abundant number, since it is smaller than the sum of its proper divisors (4854166552).

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

4509352448 is a wasteful number, since it uses less digits than its factorization.

4509352448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 4509352448 is about 67151.7121747465. The cubic root of 4509352448 is about 1652.1065775562.

The spelling of 4509352448 in words is "four billion, five hundred nine million, three hundred fifty-two thousand, four hundred forty-eight".