449521441 has 8 divisors (see below), whose sum is σ = 461736000. Its totient is φ = 437386992.

The previous prime is 449521439. The next prime is 449521451. The reversal of 449521441 is 144125944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449521441 - 2¹ = 449521439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449521397 and 449521406.

It is not an unprimeable number, because it can be changed into a prime (449521411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8566 + ... + 31183.

It is an arithmetic number, because the mean of its divisors is an integer number (57717000).

Almost surely, 2^449521441 is an apocalyptic number.

It is an amenable number.

449521441 is a deficient number, since it is larger than the sum of its proper divisors (12214559).

449521441 is a wasteful number, since it uses less digits than its factorization.

449521441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40055.

The product of its digits is 23040, while the sum is 34.

The square root of 449521441 is about 21201.9206912959. The cubic root of 449521441 is about 766.0376884292.

The spelling of 449521441 in words is "four hundred forty-nine million, five hundred twenty-one thousand, four hundred forty-one".