449044992 has 160 divisors (see below), whose sum is σ = 1450532160. Its totient is φ = 136028160.

The previous prime is 449044969. The next prime is 449045017. The reversal of 449044992 is 299440944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150588 + ... + 153540.

It is an arithmetic number, because the mean of its divisors is an integer number (9065826).

Almost surely, 2^449044992 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 449044992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725266080).

449044992 is an abundant number, since it is smaller than the sum of its proper divisors (1001487168).

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

449044992 is a wasteful number, since it uses less digits than its factorization.

449044992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 449044992 is about 21190.6817257020. The cubic root of 449044992 is about 765.7669509438.

The spelling of 449044992 in words is "four hundred forty-nine million, forty-four thousand, nine hundred ninety-two".