449020480 has 28 divisors (see below), whose sum is σ = 1069230780. Its totient is φ = 179608064.

The previous prime is 449020441. The next prime is 449020531. The reversal of 449020480 is 84020944.

It can be written as a sum of positive squares in 2 ways, for example, as 110166016 + 338854464 = 10496^2 + 18408^2 .

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, 701275 + ... + 701914.

Almost surely, 2^449020480 is an apocalyptic number.

449020480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449020480 is an abundant number, since it is smaller than the sum of its proper divisors (620210300).

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

449020480 is a wasteful number, since it uses less digits than its factorization.

449020480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403206 (or 1403196 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 449020480 is about 21190.1033503851. The cubic root of 449020480 is about 765.7530170609.

The spelling of 449020480 in words is "four hundred forty-nine million, twenty thousand, four hundred eighty".