449519126 has 24 divisors (see below), whose sum is σ = 783534960. Its totient is φ = 189470880.

The previous prime is 449519123. The next prime is 449519141. The reversal of 449519126 is 621915944.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449519123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47780 + ... + 56408.

It is an arithmetic number, because the mean of its divisors is an integer number (32647290).

Almost surely, 2^449519126 is an apocalyptic number.

449519126 is a deficient number, since it is larger than the sum of its proper divisors (334015834).

449519126 is an equidigital number, since it uses as much as digits as its factorization.

449519126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760 (or 8699 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 449519126 is about 21201.8660971151. The cubic root of 449519126 is about 766.0363734157.

The spelling of 449519126 in words is "four hundred forty-nine million, five hundred nineteen thousand, one hundred twenty-six".