448343240 has 32 divisors (see below), whose sum is σ = 1010259000. Its totient is φ = 179073024.

The previous prime is 448343191. The next prime is 448343243. The reversal of 448343240 is 42343844.

It can be written as a sum of positive squares in 4 ways, for example, as 144817156 + 303526084 = 12034^2 + 17422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 448343197 and 448343206.

It is not an unprimeable number, because it can be changed into a prime (448343243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20456 + ... + 36264.

Almost surely, 2^448343240 is an apocalyptic number.

448343240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448343240 is an abundant number, since it is smaller than the sum of its proper divisors (561915760).

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

448343240 is a wasteful number, since it uses less digits than its factorization.

448343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529 (or 16525 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 448343240 is about 21174.1172189067. The cubic root of 448343240 is about 765.3678382533.

The spelling of 448343240 in words is "four hundred forty-eight million, three hundred forty-three thousand, two hundred forty".