8488981840 has 20 divisors (see below), whose sum is σ = 19736882964. Its totient is φ = 3395592704.

The previous prime is 8488981799. The next prime is 8488981867. The reversal of 8488981840 is 481898848.

It can be written as a sum of positive squares in 2 ways, for example, as 2270713104 + 6218268736 = 47652^2 + 78856^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53056057 + ... + 53056216.

Almost surely, 2^8488981840 is an apocalyptic number.

8488981840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8488981840 is an abundant number, since it is smaller than the sum of its proper divisors (11247901124).

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

8488981840 is a wasteful number, since it uses less digits than its factorization.

8488981840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106112286 (or 106112280 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 58.

The square root of 8488981840 is about 92135.6708338307. The cubic root of 8488981840 is about 2039.9453592952.

The spelling of 8488981840 in words is "eight billion, four hundred eighty-eight million, nine hundred eighty-one thousand, eight hundred forty".