448644959 has 8 divisors (see below), whose sum is σ = 512883360. Its totient is φ = 384443136.

The previous prime is 448644941. The next prime is 448644991. The reversal of 448644959 is 959446844.

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

It is a de Polignac number, because none of the positive numbers 2^k-448644959 is a prime.

It is a super-2 number, since 2×448644959² = 402564598472223362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448644959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448664959) 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, 26327 + ... + 39879.

It is an arithmetic number, because the mean of its divisors is an integer number (64110420).

Almost surely, 2^448644959 is an apocalyptic number.

448644959 is a deficient number, since it is larger than the sum of its proper divisors (64238401).

448644959 is a wasteful number, since it uses less digits than its factorization.

448644959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289.

The product of its digits is 4976640, while the sum is 53.

The square root of 448644959 is about 21181.2407332526. The cubic root of 448644959 is about 765.5394881678.

The spelling of 448644959 in words is "four hundred forty-eight million, six hundred forty-four thousand, nine hundred fifty-nine".