4081305528 has 192 divisors, whose sum is σ = 11785912320. Its totient is φ = 1322697600.

The previous prime is 4081305509. The next prime is 4081305593. The reversal of 4081305528 is 8255031804.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4081305492 and 4081305501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15060033 + ... + 15060303.

It is an arithmetic number, because the mean of its divisors is an integer number (61384960).

Almost surely, 2^4081305528 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 4081305528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5892956160).

4081305528 is an abundant number, since it is smaller than the sum of its proper divisors (7704606792).

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

4081305528 is a wasteful number, since it uses less digits than its factorization.

4081305528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 464 counting only the distinct ones).

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

The square root of 4081305528 is about 63885.0962901364. The cubic root of 4081305528 is about 1598.0843646703.

The spelling of 4081305528 in words is "four billion, eighty-one million, three hundred five thousand, five hundred twenty-eight".