448992380 has 24 divisors (see below), whose sum is σ = 947047248. Its totient is φ = 178803968.

The previous prime is 448992343. The next prime is 448992431. The reversal of 448992380 is 83299844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44909 + ... + 53988.

It is an arithmetic number, because the mean of its divisors is an integer number (39460302).

Almost surely, 2^448992380 is an apocalyptic number.

It is an amenable number.

448992380 is an abundant number, since it is smaller than the sum of its proper divisors (498054868).

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

448992380 is a wasteful number, since it uses less digits than its factorization.

448992380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99133 (or 99131 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 448992380 is about 21189.4402946373. The cubic root of 448992380 is about 765.7370429501.

It can be divided in two parts, 4489 and 92380, that added together give a palindrome (96869).

The spelling of 448992380 in words is "four hundred forty-eight million, nine hundred ninety-two thousand, three hundred eighty".