448469994 has 128 divisors (see below), whose sum is σ = 1105477632. Its totient is φ = 118609920.

The previous prime is 448469969. The next prime is 448470037. The reversal of 448469994 is 499964844.

It is a super-2 number, since 2×448469994² = 402250671036720072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4623354 + ... + 4623450.

It is an arithmetic number, because the mean of its divisors is an integer number (8636544).

Almost surely, 2^448469994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448469994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552738816).

448469994 is an abundant number, since it is smaller than the sum of its proper divisors (657007638).

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

448469994 is a wasteful number, since it uses less digits than its factorization.

448469994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its digits is 8957952, while the sum is 57.

The square root of 448469994 is about 21177.1101427933. The cubic root of 448469994 is about 765.4399588113.

The spelling of 448469994 in words is "four hundred forty-eight million, four hundred sixty-nine thousand, nine hundred ninety-four".