545464320 has 224 divisors, whose sum is σ = 1830701952. Its totient is φ = 138412032.

The previous prime is 545464319. The next prime is 545464327. The reversal of 545464320 is 23464545.

It is not an unprimeable number, because it can be changed into a prime (545464327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2826144 + ... + 2826336.

Almost surely, 2^545464320 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 545464320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915350976).

545464320 is an abundant number, since it is smaller than the sum of its proper divisors (1285237632).

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

545464320 is a wasteful number, since it uses less digits than its factorization.

545464320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 545464320 is about 23355.1775844244. The cubic root of 545464320 is about 817.0628211735.

The spelling of 545464320 in words is "five hundred forty-five million, four hundred sixty-four thousand, three hundred twenty".