449655066 has 72 divisors (see below), whose sum is σ = 1200019860. Its totient is φ = 120911616.

The previous prime is 449655047. The next prime is 449655071. The reversal of 449655066 is 660556944.

449655066 is a `hidden beast` number, since 4 + 4 + 96 + 550 + 6 + 6 = 666.

449655066 is a nontrivial binomial coefficient, being equal to C(29989, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 397165041 + 52490025 = 19929^2 + 7245^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1 + ... + 29988.

Almost surely, 2^449655066 is an apocalyptic number.

449655066 is the 29988-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449655066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600009930).

449655066 is an abundant number, since it is smaller than the sum of its proper divisors (750364794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449655066 is a wasteful number, since it uses less digits than its factorization.

449655066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30028 (or 30018 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 449655066 is about 21205.0717046654. The cubic root of 449655066 is about 766.1135851761.

The spelling of 449655066 in words is "four hundred forty-nine million, six hundred fifty-five thousand, sixty-six".