448394290 has 8 divisors (see below), whose sum is σ = 807109740. Its totient is φ = 179357712.

The previous prime is 448394273. The next prime is 448394293. The reversal of 448394290 is 92493844.

It can be written as a sum of positive squares in 2 ways, for example, as 426463801 + 21930489 = 20651^2 + 4683^2 .

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

It is not an unprimeable number, because it can be changed into a prime (448394293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22419705 + ... + 22419724.

Almost surely, 2^448394290 is an apocalyptic number.

448394290 is a deficient number, since it is larger than the sum of its proper divisors (358715450).

448394290 is a wasteful number, since it uses less digits than its factorization.

448394290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44839436.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 448394290 is about 21175.3226657825. The cubic root of 448394290 is about 765.3968863439.

The spelling of 448394290 in words is "four hundred forty-eight million, three hundred ninety-four thousand, two hundred ninety".