454656216 has 128 divisors (see below), whose sum is σ = 1342656000. Its totient is φ = 125598720.

The previous prime is 454656131. The next prime is 454656269. The reversal of 454656216 is 612656454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026091 + ... + 1026533.

It is an arithmetic number, because the mean of its divisors is an integer number (10489500).

Almost surely, 2^454656216 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 454656216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671328000).

454656216 is an abundant number, since it is smaller than the sum of its proper divisors (887999784).

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

454656216 is a wasteful number, since it uses less digits than its factorization.

454656216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 645 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 454656216 is about 21322.6690636984. The cubic root of 454656216 is about 768.9434071638.

It can be divided in two parts, 45465 and 6216, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 454656216 in words is "four hundred fifty-four million, six hundred fifty-six thousand, two hundred sixteen".