448365820 has 48 divisors (see below), whose sum is σ = 1139382720. Its totient is φ = 144681984.

The previous prime is 448365811. The next prime is 448365821. The reversal of 448365820 is 28563844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448365821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91815 + ... + 96574.

It is an arithmetic number, because the mean of its divisors is an integer number (23737140).

Almost surely, 2^448365820 is an apocalyptic number.

It is an amenable number.

448365820 is an abundant number, since it is smaller than the sum of its proper divisors (691016900).

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

448365820 is a wasteful number, since it uses less digits than its factorization.

448365820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188422 (or 188420 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 448365820 is about 21174.6504103374. The cubic root of 448365820 is about 765.3806868286.

The spelling of 448365820 in words is "four hundred forty-eight million, three hundred sixty-five thousand, eight hundred twenty".