545040288 has 72 divisors (see below), whose sum is σ = 1669197348. Its totient is φ = 167703552.

The previous prime is 545040277. The next prime is 545040311. The reversal of 545040288 is 882040545.

It can be written as a sum of positive squares in 2 ways, for example, as 541399824 + 3640464 = 23268^2 + 1908^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69045 + ... + 76532.

Almost surely, 2^545040288 is an apocalyptic number.

It is an amenable number.

545040288 is an abundant number, since it is smaller than the sum of its proper divisors (1124157060).

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

545040288 is a wasteful number, since it uses less digits than its factorization.

545040288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145606 (or 145595 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 545040288 is about 23346.0979180676. The cubic root of 545040288 is about 816.8510440476.

The spelling of 545040288 in words is "five hundred forty-five million, forty thousand, two hundred eighty-eight".