4081560 has 128 divisors (see below), whose sum is σ = 14446080. Its totient is φ = 903168.

The previous prime is 4081549. The next prime is 4081579. The reversal of 4081560 is 651804.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4081560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36064 + ... + 36176.

It is an arithmetic number, because the mean of its divisors is an integer number (112860).

Almost surely, 2^4081560 is an apocalyptic number.

4081560 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 4081560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7223040).

4081560 is an abundant number, since it is smaller than the sum of its proper divisors (10364520).

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

4081560 is a wasteful number, since it uses less digits than its factorization.

4081560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 4081560 is about 2020.2871083091. The cubic root of 4081560 is about 159.8117577839.

The spelling of 4081560 in words is "four million, eighty-one thousand, five hundred sixty".