448497218 has 16 divisors (see below), whose sum is σ = 739912320. Its totient is φ = 202593936.

The previous prime is 448497211. The next prime is 448497229. The reversal of 448497218 is 812794844.

It is a super-2 number, since 2×448497218² = 402299509107479048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (448497211) 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, 182288 + ... + 184731.

It is an arithmetic number, because the mean of its divisors is an integer number (46244520).

Almost surely, 2^448497218 is an apocalyptic number.

448497218 is a deficient number, since it is larger than the sum of its proper divisors (291415102).

448497218 is a wasteful number, since it uses less digits than its factorization.

448497218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367081.

The product of its digits is 516096, while the sum is 47.

The square root of 448497218 is about 21177.7529025154. The cubic root of 448497218 is about 765.4554469644.

The spelling of 448497218 in words is "four hundred forty-eight million, four hundred ninety-seven thousand, two hundred eighteen".