449966380 has 12 divisors (see below), whose sum is σ = 944929440. Its totient is φ = 179986544.

The previous prime is 449966371. The next prime is 449966381. The reversal of 449966380 is 83669944.

It is not an unprimeable number, because it can be changed into a prime (449966381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11249140 + ... + 11249179.

It is an arithmetic number, because the mean of its divisors is an integer number (78744120).

Almost surely, 2^449966380 is an apocalyptic number.

It is an amenable number.

449966380 is an abundant number, since it is smaller than the sum of its proper divisors (494963060).

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

449966380 is a wasteful number, since it uses less digits than its factorization.

449966380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22498328 (or 22498326 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 449966380 is about 21212.4109897956. The cubic root of 449966380 is about 766.2903479752.

The spelling of 449966380 in words is "four hundred forty-nine million, nine hundred sixty-six thousand, three hundred eighty".