449944501 has 4 divisors (see below), whose sum is σ = 450036972. Its totient is φ = 449852032.

The previous prime is 449944499. The next prime is 449944511. The reversal of 449944501 is 105449944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190412401 + 259532100 = 13799^2 + 16110^2 .

It is a cyclic number.

It is not a de Polignac number, because 449944501 - 2¹ = 449944499 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449944511) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38506 + ... + 48811.

It is an arithmetic number, because the mean of its divisors is an integer number (112509243).

Almost surely, 2^449944501 is an apocalyptic number.

It is an amenable number.

449944501 is a deficient number, since it is larger than the sum of its proper divisors (92471).

449944501 is an equidigital number, since it uses as much as digits as its factorization.

449944501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92470.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 449944501 is about 21211.8952712859. The cubic root of 449944501 is about 766.2779278338.

The spelling of 449944501 in words is "four hundred forty-nine million, nine hundred forty-four thousand, five hundred one".