545868768 has 24 divisors (see below), whose sum is σ = 1432905768. Its totient is φ = 181956224.

The previous prime is 545868751. The next prime is 545868779. The reversal of 545868768 is 867868545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842971 + ... + 2843162.

It is an arithmetic number, because the mean of its divisors is an integer number (59704407).

Almost surely, 2^545868768 is an apocalyptic number.

It is an amenable number.

545868768 is an abundant number, since it is smaller than the sum of its proper divisors (887037000).

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

545868768 is a wasteful number, since it uses less digits than its factorization.

545868768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686146 (or 5686138 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The square root of 545868768 is about 23363.8346167747. The cubic root of 545868768 is about 817.2647150889.

The spelling of 545868768 in words is "five hundred forty-five million, eight hundred sixty-eight thousand, seven hundred sixty-eight".