449215450 has 12 divisors (see below), whose sum is σ = 835540830. Its totient is φ = 179686160.

The previous prime is 449215447. The next prime is 449215469. The reversal of 449215450 is 54512944.

It can be written as a sum of positive squares in 3 ways, for example, as 316804401 + 132411049 = 17799^2 + 11507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4492105 + ... + 4492204.

Almost surely, 2^449215450 is an apocalyptic number.

449215450 is a deficient number, since it is larger than the sum of its proper divisors (386325380).

449215450 is a wasteful number, since it uses less digits than its factorization.

449215450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984321 (or 8984316 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 449215450 is about 21194.7033477706. The cubic root of 449215450 is about 765.8638340269.

The spelling of 449215450 in words is "four hundred forty-nine million, two hundred fifteen thousand, four hundred fifty".