449388048 has 20 divisors (see below), whose sum is σ = 1160919248. Its totient is φ = 149796000.

The previous prime is 449388001. The next prime is 449388061. The reversal of 449388048 is 840883944.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 9362251 = 449388048 / (4 + 4 + 9 + 3 + 8 + 8 + 0 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 449387988 and 449388006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4681078 + ... + 4681173.

Almost surely, 2^449388048 is an apocalyptic number.

449388048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

449388048 is an abundant number, since it is smaller than the sum of its proper divisors (711531200).

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

449388048 is a wasteful number, since it uses less digits than its factorization.

449388048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362262 (or 9362256 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 449388048 is about 21198.7746815706. The cubic root of 449388048 is about 765.9619084513.

The spelling of 449388048 in words is "four hundred forty-nine million, three hundred eighty-eight thousand, forty-eight".