448399760 has 20 divisors (see below), whose sum is σ = 1042529628. Its totient is φ = 179359872.

The previous prime is 448399759. The next prime is 448399811. The reversal of 448399760 is 67993844.

It can be written as a sum of positive squares in 2 ways, for example, as 135675904 + 312723856 = 11648^2 + 17684^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 448399699 and 448399708.

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, 2802419 + ... + 2802578.

Almost surely, 2^448399760 is an apocalyptic number.

448399760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448399760 is an abundant number, since it is smaller than the sum of its proper divisors (594129868).

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

448399760 is a wasteful number, since it uses less digits than its factorization.

448399760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605010 (or 5605004 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 448399760 is about 21175.4518251677. The cubic root of 448399760 is about 765.3999987118.

The spelling of 448399760 in words is "four hundred forty-eight million, three hundred ninety-nine thousand, seven hundred sixty".