448428280 has 32 divisors (see below), whose sum is σ = 1020308400. Its totient is φ = 177354496.

The previous prime is 448428259. The next prime is 448428293. The reversal of 448428280 is 82824844.

It is a super-3 number, since 3×448428280³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59422 + ... + 66541.

Almost surely, 2^448428280 is an apocalyptic number.

448428280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448428280 is an abundant number, since it is smaller than the sum of its proper divisors (571880120).

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

448428280 is a wasteful number, since it uses less digits than its factorization.

448428280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126063 (or 126059 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 448428280 is about 21176.1252357460. The cubic root of 448428280 is about 765.4162258579.

The spelling of 448428280 in words is "four hundred forty-eight million, four hundred twenty-eight thousand, two hundred eighty".