454360816 has 80 divisors (see below), whose sum is σ = 1088027584. Its totient is φ = 178993152.

The previous prime is 454360801. The next prime is 454360843. The reversal of 454360816 is 618063454.

It is a happy number.

It is a super-2 number, since 2×454360816² = 412887502232371712, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 455230 + ... + 456226.

Almost surely, 2^454360816 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 454360816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544013792).

454360816 is an abundant number, since it is smaller than the sum of its proper divisors (633666768).

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

454360816 is a wasteful number, since it uses less digits than its factorization.

454360816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 454360816 is about 21315.7410380216. The cubic root of 454360816 is about 768.7768380169.

The spelling of 454360816 in words is "four hundred fifty-four million, three hundred sixty thousand, eight hundred sixteen".