454728168 has 40 divisors (see below), whose sum is σ = 1273661730. Its totient is φ = 151575840.

The previous prime is 454728137. The next prime is 454728179. The reversal of 454728168 is 861827454.

454728168 is a `hidden beast` number, since 45 + 472 + 81 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 405700164 + 49028004 = 20142^2 + 7002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 350223 + ... + 351518.

Almost surely, 2^454728168 is an apocalyptic number.

It is an amenable number.

454728168 is an abundant number, since it is smaller than the sum of its proper divisors (818933562).

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

454728168 is a wasteful number, since it uses less digits than its factorization.

454728168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701759 (or 701746 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 454728168 is about 21324.3562153703. The cubic root of 454728168 is about 768.9839682851.

The spelling of 454728168 in words is "four hundred fifty-four million, seven hundred twenty-eight thousand, one hundred sixty-eight".