449520 has 40 divisors (see below), whose sum is σ = 1394256. Its totient is φ = 119808.

The previous prime is 449473. The next prime is 449543. The reversal of 449520 is 25944.

449520 = T₂₂₉ + T₂₃₀ + ... + T₂₄₄.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449520.

It is an unprimeable number.

449520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697 + ... + 1176.

2⁴⁴⁹⁵²⁰ is an apocalyptic number.

449520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449520 is an abundant number, since it is smaller than the sum of its proper divisors (944736).

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

449520 is a wasteful number, since it uses less digits than its factorization.

449520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 449520 is about 670.4625269171. The cubic root of 449520 is about 76.6036869883.

It can be divided in two parts, 449 and 520, that added together give a palindrome (969).

The spelling of 449520 in words is "four hundred forty-nine thousand, five hundred twenty".