545340320 has 96 divisors (see below), whose sum is σ = 1500363648. Its totient is φ = 183426048.

The previous prime is 545340317. The next prime is 545340359. The reversal of 545340320 is 23043545.

It is a self number, because there is not a number n which added to its sum of digits gives 545340320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54767 + ... + 63953.

It is an arithmetic number, because the mean of its divisors is an integer number (15628788).

Almost surely, 2^545340320 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 545340320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750181824).

545340320 is an abundant number, since it is smaller than the sum of its proper divisors (955023328).

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

545340320 is a wasteful number, since it uses less digits than its factorization.

545340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262 (or 9254 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 545340320 is about 23352.5227759229. The cubic root of 545340320 is about 817.0009023859. Note that the first 3 decimals are identical.

Adding to 545340320 its reverse (23043545), we get a palindrome (568383865).

The spelling of 545340320 in words is "five hundred forty-five million, three hundred forty thousand, three hundred twenty".