448788280 has 32 divisors (see below), whose sum is σ = 1011402000. Its totient is φ = 179225856.

The previous prime is 448788247. The next prime is 448788283. The reversal of 448788280 is 82887844.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448788283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16996 + ... + 34444.

Almost surely, 2^448788280 is an apocalyptic number.

448788280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448788280 is an abundant number, since it is smaller than the sum of its proper divisors (562613720).

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

448788280 is a wasteful number, since it uses less digits than its factorization.

448788280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18103 (or 18099 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 49.

The square root of 448788280 is about 21184.6236690671. The cubic root of 448788280 is about 765.6209974635.

The spelling of 448788280 in words is "four hundred forty-eight million, seven hundred eighty-eight thousand, two hundred eighty".