8481454740 has 144 divisors (see below), whose sum is σ = 28268735040. Its totient is φ = 2041251840.

The previous prime is 8481454733. The next prime is 8481454741. The reversal of 8481454740 is 474541848.

8481454740 is a `hidden beast` number, since 84 + 81 + 454 + 7 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481454741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259812 + ... + 290628.

It is an arithmetic number, because the mean of its divisors is an integer number (196310660).

Almost surely, 2^8481454740 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 8481454740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14134367520).

8481454740 is an abundant number, since it is smaller than the sum of its proper divisors (19787280300).

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

8481454740 is a wasteful number, since it uses less digits than its factorization.

8481454740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30982 (or 30977 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The square root of 8481454740 is about 92094.8138604992. The cubic root of 8481454740 is about 2039.3422475761.

The spelling of 8481454740 in words is "eight billion, four hundred eighty-one million, four hundred fifty-four thousand, seven hundred forty".