8481534480 has 60 divisors (see below), whose sum is σ = 28483822380. Its totient is φ = 2261742336.

The previous prime is 8481534473. The next prime is 8481534493. The reversal of 8481534480 is 844351848.

8481534480 is a `hidden beast` number, since 8 + 481 + 53 + 44 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6325975296 + 2155559184 = 79536^2 + 46428^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5889235 + ... + 5890674.

It is an arithmetic number, because the mean of its divisors is an integer number (474730373).

Almost surely, 2^8481534480 is an apocalyptic number.

8481534480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8481534480 is an abundant number, since it is smaller than the sum of its proper divisors (20002287900).

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

8481534480 is a wasteful number, since it uses less digits than its factorization.

8481534480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11779928 (or 11779919 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 8481534480 is about 92095.2467828823. The cubic root of 8481534480 is about 2039.3486386433.

The spelling of 8481534480 in words is "eight billion, four hundred eighty-one million, five hundred thirty-four thousand, four hundred eighty".