449777461 has 16 divisors (see below), whose sum is σ = 523502208. Its totient is φ = 378446400.

The previous prime is 449777459. The next prime is 449777479. The reversal of 449777461 is 164777944.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 449777461 - 2¹ = 449777459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449777401) 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 15 ways as a sum of consecutive naturals, for example, 349926 + ... + 351208.

It is an arithmetic number, because the mean of its divisors is an integer number (32718888).

Almost surely, 2^449777461 is an apocalyptic number.

It is an amenable number.

449777461 is a deficient number, since it is larger than the sum of its proper divisors (73724747).

449777461 is a wasteful number, since it uses less digits than its factorization.

449777461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its digits is 1185408, while the sum is 49.

The square root of 449777461 is about 21207.9574924131. The cubic root of 449777461 is about 766.1830902795.

The spelling of 449777461 in words is "four hundred forty-nine million, seven hundred seventy-seven thousand, four hundred sixty-one".