5445065808 has 480 divisors, whose sum is σ = 20043717120. Its totient is φ = 1402168320.

The previous prime is 5445065783. The next prime is 5445065827. The reversal of 5445065808 is 8085605445.

5445065808 is a `hidden beast` number, since 544 + 50 + 6 + 58 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12933438 + ... + 12933858.

It is an arithmetic number, because the mean of its divisors is an integer number (41757744).

Almost surely, 2^5445065808 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 5445065808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10021858560).

5445065808 is an abundant number, since it is smaller than the sum of its proper divisors (14598651312).

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

5445065808 is a wasteful number, since it uses less digits than its factorization.

5445065808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The square root of 5445065808 is about 73790.6891687562. The cubic root of 5445065808 is about 1759.2776184883.

The spelling of 5445065808 in words is "five billion, four hundred forty-five million, sixty-five thousand, eight hundred eight".