448785818 has 8 divisors (see below), whose sum is σ = 724961748. Its totient is φ = 207131904.

The previous prime is 448785773. The next prime is 448785851. The reversal of 448785818 is 818587844.

It can be written as a sum of positive squares in 2 ways, for example, as 361494169 + 87291649 = 19013^2 + 9343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 448785818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8630471 + ... + 8630522.

Almost surely, 2^448785818 is an apocalyptic number.

448785818 is a deficient number, since it is larger than the sum of its proper divisors (276175930).

448785818 is a wasteful number, since it uses less digits than its factorization.

448785818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17261008.

The product of its digits is 2293760, while the sum is 53.

The square root of 448785818 is about 21184.5655608039. The cubic root of 448785818 is about 765.6195974252.

The spelling of 448785818 in words is "four hundred forty-eight million, seven hundred eighty-five thousand, eight hundred eighteen".