450878212 has 12 divisors (see below), whose sum is σ = 793878736. Its totient is φ = 224055720.

The previous prime is 450878209. The next prime is 450878221. The reversal of 450878212 is 212878054.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 345114 + ... + 346417.

Almost surely, 2^450878212 is an apocalyptic number.

It is an amenable number.

450878212 is a deficient number, since it is larger than the sum of its proper divisors (343000524).

450878212 is a wasteful number, since it uses less digits than its factorization.

450878212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691698 (or 691696 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 450878212 is about 21233.8930015200. The cubic root of 450878212 is about 766.8076137417.

The spelling of 450878212 in words is "four hundred fifty million, eight hundred seventy-eight thousand, two hundred twelve".