449215449 has 8 divisors (see below), whose sum is σ = 602629152. Its totient is φ = 297639360.

The previous prime is 449215447. The next prime is 449215469. The reversal of 449215449 is 944512944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449215449 - 2¹ = 449215447 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 449215449.

It is not an unprimeable number, because it can be changed into a prime (449215447) 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, 458832 + ... + 459809.

It is an arithmetic number, because the mean of its divisors is an integer number (75328644).

Almost surely, 2^449215449 is an apocalyptic number.

It is an amenable number.

449215449 is a deficient number, since it is larger than the sum of its proper divisors (153413703).

449215449 is a wasteful number, since it uses less digits than its factorization.

449215449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918807.

The product of its digits is 207360, while the sum is 42.

The square root of 449215449 is about 21194.7033241798. The cubic root of 449215449 is about 765.8638334586.

The spelling of 449215449 in words is "four hundred forty-nine million, two hundred fifteen thousand, four hundred forty-nine".