545218336 has 72 divisors (see below), whose sum is σ = 1170839124. Its totient is φ = 249799680.

The previous prime is 545218309. The next prime is 545218337. The reversal of 545218336 is 633812545.

545218336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 18974736 + 526243600 = 4356^2 + 22940^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545218295 and 545218304.

It is not an unprimeable number, because it can be changed into a prime (545218337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978570 + ... + 979126.

Almost surely, 2^545218336 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 545218336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585419562).

545218336 is an abundant number, since it is smaller than the sum of its proper divisors (625620788).

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

545218336 is a wasteful number, since it uses less digits than its factorization.

545218336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 753 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 545218336 is about 23349.9108349475. The cubic root of 545218336 is about 816.9399811188.

The spelling of 545218336 in words is "five hundred forty-five million, two hundred eighteen thousand, three hundred thirty-six".