449146460 has 96 divisors (see below), whose sum is σ = 1147063680. Its totient is φ = 144712704.

The previous prime is 449146459. The next prime is 449146487. The reversal of 449146460 is 64641944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687494 + ... + 688146.

It is an arithmetic number, because the mean of its divisors is an integer number (11948580).

Almost surely, 2^449146460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449146460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573531840).

449146460 is an abundant number, since it is smaller than the sum of its proper divisors (697917220).

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

449146460 is a wasteful number, since it uses less digits than its factorization.

449146460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 449146460 is about 21193.0757560105. The cubic root of 449146460 is about 765.8246251863.

The spelling of 449146460 in words is "four hundred forty-nine million, one hundred forty-six thousand, four hundred sixty".