449433481 has 8 divisors (see below), whose sum is σ = 523329984. Its totient is φ = 377959920.

The previous prime is 449433473. The next prime is 449433493. The reversal of 449433481 is 184334944.

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 449433481 - 2³ = 449433473 is a prime.

It is a super-2 number, since 2×449433481² = 403980907687554722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449433461) 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, 605335 + ... + 606076.

It is an arithmetic number, because the mean of its divisors is an integer number (65416248).

Almost surely, 2^449433481 is an apocalyptic number.

It is an amenable number.

449433481 is a deficient number, since it is larger than the sum of its proper divisors (73896503).

449433481 is a wasteful number, since it uses less digits than its factorization.

449433481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211471.

The product of its digits is 165888, while the sum is 40.

The square root of 449433481 is about 21199.8462494425. The cubic root of 449433481 is about 765.9877204230.

The spelling of 449433481 in words is "four hundred forty-nine million, four hundred thirty-three thousand, four hundred eighty-one".