449215458 has 8 divisors (see below), whose sum is σ = 898430928. Its totient is φ = 149738484.

The previous prime is 449215447. The next prime is 449215469. The reversal of 449215458 is 854512944.

It is an interprime number because it is at equal distance from previous prime (449215447) and next prime (449215469).

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

449215458 is an admirable number.

It is a super-2 number, since 2×449215458² = 403589055412299528, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 37434616 + ... + 37434627.

It is an arithmetic number, because the mean of its divisors is an integer number (112303866).

Almost surely, 2^449215458 is an apocalyptic number.

449215458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449215458 is a wasteful number, since it uses less digits than its factorization.

449215458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74869248.

The product of its digits is 230400, while the sum is 42.

The square root of 449215458 is about 21194.7035364970. The cubic root of 449215458 is about 765.8638385733.

The spelling of 449215458 in words is "four hundred forty-nine million, two hundred fifteen thousand, four hundred fifty-eight".