448185318 has 32 divisors (see below), whose sum is σ = 1025470464. Its totient is φ = 127922112.

The previous prime is 448185317. The next prime is 448185347. The reversal of 448185318 is 813581844.

It is a super-2 number, since 2×448185318² = 401740158541522248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 448185318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448185317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40746 + ... + 50562.

It is an arithmetic number, because the mean of its divisors is an integer number (32045952).

Almost surely, 2^448185318 is an apocalyptic number.

448185318 is an abundant number, since it is smaller than the sum of its proper divisors (577285146).

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

448185318 is a wasteful number, since it uses less digits than its factorization.

448185318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916.

The product of its digits is 122880, while the sum is 42.

The square root of 448185318 is about 21170.3877621549. The cubic root of 448185318 is about 765.2779646898.

The spelling of 448185318 in words is "four hundred forty-eight million, one hundred eighty-five thousand, three hundred eighteen".