545018880 has 352 divisors, whose sum is σ = 2061017856. Its totient is φ = 120324096.

The previous prime is 545018809. The next prime is 545018891. The reversal of 545018880 is 88810545.

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, 3978172 + ... + 3978308.

Almost surely, 2^545018880 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 545018880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030508928).

545018880 is an abundant number, since it is smaller than the sum of its proper divisors (1515998976).

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

545018880 is a wasteful number, since it uses less digits than its factorization.

545018880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 545018880 is about 23345.6394215280. The cubic root of 545018880 is about 816.8403491953.

The spelling of 545018880 in words is "five hundred forty-five million, eighteen thousand, eight hundred eighty".