545044068 has 72 divisors (see below), whose sum is σ = 1412611200. Its totient is φ = 177143616.

The previous prime is 545044057. The next prime is 545044091. The reversal of 545044068 is 860440545.

545044068 is a `hidden beast` number, since 54 + 504 + 40 + 68 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234898 + ... + 237206.

It is an arithmetic number, because the mean of its divisors is an integer number (19619600).

Almost surely, 2^545044068 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 545044068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706305600).

545044068 is an abundant number, since it is smaller than the sum of its proper divisors (867567132).

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

545044068 is a wasteful number, since it uses less digits than its factorization.

545044068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 545044068 is about 23346.1788736401. The cubic root of 545044068 is about 816.8529324033.

The spelling of 545044068 in words is "five hundred forty-five million, forty-four thousand, sixty-eight".