449273748 has 96 divisors (see below), whose sum is σ = 1333785600. Its totient is φ = 116682720.

The previous prime is 449273717. The next prime is 449273809. The reversal of 449273748 is 847372944.

It is a junction number, because it is equal to n+sod(n) for n = 449273697 and 449273706.

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 31 ways as a sum of consecutive naturals, for example, 40315 + ... + 50237.

It is an arithmetic number, because the mean of its divisors is an integer number (13893600).

Almost surely, 2^449273748 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 449273748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666892800).

449273748 is an abundant number, since it is smaller than the sum of its proper divisors (884511852).

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

449273748 is a wasteful number, since it uses less digits than its factorization.

449273748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962 (or 9946 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 449273748 is about 21196.0785995901. The cubic root of 449273748 is about 765.8969631921.

The spelling of 449273748 in words is "four hundred forty-nine million, two hundred seventy-three thousand, seven hundred forty-eight".