4091605488 has 100 divisors (see below), whose sum is σ = 12117860568. Its totient is φ = 1332132480.

The previous prime is 4091605481. The next prime is 4091605489. The reversal of 4091605488 is 8845061904.

4091605488 is a `hidden beast` number, since 4 + 0 + 9 + 160 + 5 + 488 = 666.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091605481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19018 + ... + 92438.

Almost surely, 2^4091605488 is an apocalyptic number.

4091605488 is a gapful number since it is divisible by the number (48) 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 4091605488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6058930284).

4091605488 is an abundant number, since it is smaller than the sum of its proper divisors (8026255080).

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

4091605488 is a wasteful number, since it uses less digits than its factorization.

4091605488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73484 (or 73469 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 4091605488 is about 63965.6586615037. The cubic root of 4091605488 is about 1599.4275931601.

The spelling of 4091605488 in words is "four billion, ninety-one million, six hundred five thousand, four hundred eighty-eight".