454329216 has 512 divisors, whose sum is σ = 1674432000. Its totient is φ = 119439360.

The previous prime is 454329173. The next prime is 454329257. The reversal of 454329216 is 612923454.

It is a happy number.

454329216 is a `hidden beast` number, since 4 + 5 + 432 + 9 + 216 = 666.

It is a super-2 number, since 2×454329216² = 412830073022349312, which contains 22 as substring.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12279150 + ... + 12279186.

It is an arithmetic number, because the mean of its divisors is an integer number (3270375).

Almost surely, 2^454329216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454329216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837216000).

454329216 is an abundant number, since it is smaller than the sum of its proper divisors (1220102784).

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

454329216 is a wasteful number, since it uses less digits than its factorization.

454329216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 89 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 454329216 is about 21314.9997888811. Note that the first 3 decimals coincide. The cubic root of 454329216 is about 768.7590152423.

The spelling of 454329216 in words is "four hundred fifty-four million, three hundred twenty-nine thousand, two hundred sixteen".