450685512 has 32 divisors (see below), whose sum is σ = 1251904800. Its totient is φ = 150228432.

The previous prime is 450685481. The next prime is 450685513. The reversal of 450685512 is 215586054.

450685512 is a `hidden beast` number, since 45 + 0 + 68 + 551 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (450685513) 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, 1043038 + ... + 1043469.

It is an arithmetic number, because the mean of its divisors is an integer number (39122025).

Almost surely, 2^450685512 is an apocalyptic number.

It is an amenable number.

450685512 is an abundant number, since it is smaller than the sum of its proper divisors (801219288).

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

450685512 is a wasteful number, since it uses less digits than its factorization.

450685512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086522 (or 2086512 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 450685512 is about 21229.3549595837. The cubic root of 450685512 is about 766.6983566821.

The spelling of 450685512 in words is "four hundred fifty million, six hundred eighty-five thousand, five hundred twelve".