449979216 has 40 divisors (see below), whose sum is σ = 1165728960. Its totient is φ = 149569536.

The previous prime is 449979209. The next prime is 449979247. The reversal of 449979216 is 612979944.

It is a happy number.

It is a super-3 number, since 3×449979216³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4176 + ... + 30288.

It is an arithmetic number, because the mean of its divisors is an integer number (29143224).

Almost surely, 2^449979216 is an apocalyptic number.

It is an amenable number.

449979216 is an abundant number, since it is smaller than the sum of its proper divisors (715749744).

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

449979216 is a wasteful number, since it uses less digits than its factorization.

449979216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26483 (or 26477 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 449979216 is about 21212.7135463618. The cubic root of 449979216 is about 766.2976344525.

The spelling of 449979216 in words is "four hundred forty-nine million, nine hundred seventy-nine thousand, two hundred sixteen".