448421004 has 72 divisors (see below), whose sum is σ = 1171956240. Its totient is φ = 144489600.

The previous prime is 448420967. The next prime is 448421023. The reversal of 448421004 is 400124844.

It is a happy number.

448421004 is a `hidden beast` number, since 448 + 4 + 210 + 0 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127834 + ... + 131294.

It is an arithmetic number, because the mean of its divisors is an integer number (16277170).

Almost surely, 2^448421004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448421004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585978120).

448421004 is an abundant number, since it is smaller than the sum of its proper divisors (723535236).

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

448421004 is a wasteful number, since it uses less digits than its factorization.

448421004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591 (or 3586 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 448421004 is about 21175.9534378030. The cubic root of 448421004 is about 765.4120860665.

Adding to 448421004 its reverse (400124844), we get a palindrome (848545848).

The spelling of 448421004 in words is "four hundred forty-eight million, four hundred twenty-one thousand, four".