6081305520 has 40 divisors (see below), whose sum is σ = 18852047856. Its totient is φ = 1621681408.

The previous prime is 6081305497. The next prime is 6081305579. The reversal of 6081305520 is 255031806.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12669147 + ... + 12669626.

Almost surely, 2^6081305520 is an apocalyptic number.

6081305520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6081305520 is an abundant number, since it is smaller than the sum of its proper divisors (12770742336).

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

6081305520 is a wasteful number, since it uses less digits than its factorization.

6081305520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25338789 (or 25338783 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 6081305520 is about 77982.7257794956. The cubic root of 6081305520 is about 1825.2916799077.

The spelling of 6081305520 in words is "six billion, eighty-one million, three hundred five thousand, five hundred twenty".