4385105280 has 192 divisors, whose sum is σ = 15254038800. Its totient is φ = 1160736768.

The previous prime is 4385105269. The next prime is 4385105293. The reversal of 4385105280 is 825015834.

It is a happy number.

4385105280 is a `hidden beast` number, since 43 + 85 + 10 + 528 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

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, 797902 + ... + 803378.

Almost surely, 2^4385105280 is an apocalyptic number.

4385105280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4385105280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7627019400).

4385105280 is an abundant number, since it is smaller than the sum of its proper divisors (10868933520).

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

4385105280 is a wasteful number, since it uses less digits than its factorization.

4385105280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 4385105280 is about 66220.1274538188. The cubic root of 4385105280 is about 1636.7914264707.

The spelling of 4385105280 in words is "four billion, three hundred eighty-five million, one hundred five thousand, two hundred eighty".