448951518 has 16 divisors (see below), whose sum is σ = 997670160. Its totient is φ = 149650488.

The previous prime is 448951493. The next prime is 448951537. The reversal of 448951518 is 815159844.

It is a happy number.

448951518 is a `hidden beast` number, since 4 + 4 + 89 + 51 + 518 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156905 + ... + 4157012.

It is an arithmetic number, because the mean of its divisors is an integer number (62354385).

Almost surely, 2^448951518 is an apocalyptic number.

448951518 is an abundant number, since it is smaller than the sum of its proper divisors (548718642).

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

448951518 is a wasteful number, since it uses less digits than its factorization.

448951518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313928 (or 8313922 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 448951518 is about 21188.4760660129. The cubic root of 448951518 is about 765.7138127888.

The spelling of 448951518 in words is "four hundred forty-eight million, nine hundred fifty-one thousand, five hundred eighteen".