449983261 has 16 divisors (see below), whose sum is σ = 566710144. Its totient is φ = 347747904.

The previous prime is 449983243. The next prime is 449983271. The reversal of 449983261 is 162389944.

It is not a de Polignac number, because 449983261 - 2⁵ = 449983229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449983211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53586 + ... + 61411.

It is an arithmetic number, because the mean of its divisors is an integer number (35419384).

Almost surely, 2^449983261 is an apocalyptic number.

It is an amenable number.

449983261 is a deficient number, since it is larger than the sum of its proper divisors (116726883).

449983261 is a wasteful number, since it uses less digits than its factorization.

449983261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115060.

The product of its digits is 373248, while the sum is 46.

The square root of 449983261 is about 21212.8088899137. The cubic root of 449983261 is about 766.2999306064.

The spelling of 449983261 in words is "four hundred forty-nine million, nine hundred eighty-three thousand, two hundred sixty-one".