454699728 has 120 divisors (see below), whose sum is σ = 1459930368. Its totient is φ = 129413376.

The previous prime is 454699711. The next prime is 454699753. The reversal of 454699728 is 827996454.

454699728 is a `hidden beast` number, since 4 + 546 + 9 + 97 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318825 + ... + 320247.

Almost surely, 2^454699728 is an apocalyptic number.

454699728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454699728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729965184).

454699728 is an abundant number, since it is smaller than the sum of its proper divisors (1005230640).

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

454699728 is a wasteful number, since it uses less digits than its factorization.

454699728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1752 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 454699728 is about 21323.6893618342. The cubic root of 454699728 is about 768.9679364654.

The spelling of 454699728 in words is "four hundred fifty-four million, six hundred ninety-nine thousand, seven hundred twenty-eight".