8543420480 has 84 divisors (see below), whose sum is σ = 23665536108. Its totient is φ = 2929167360.

The previous prime is 8543420447. The next prime is 8543420497. The reversal of 8543420480 is 840243458.

It can be written as a sum of positive squares in 2 ways, for example, as 1411955776 + 7131464704 = 37576^2 + 84448^2 .

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, 256751 + ... + 288110.

Almost surely, 2^8543420480 is an apocalyptic number.

8543420480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8543420480 is an abundant number, since it is smaller than the sum of its proper divisors (15122115628).

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

8543420480 is a wasteful number, since it uses less digits than its factorization.

8543420480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544892 (or 544875 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 8543420480 is about 92430.6252277891. The cubic root of 8543420480 is about 2044.2966980327.

The spelling of 8543420480 in words is "eight billion, five hundred forty-three million, four hundred twenty thousand, four hundred eighty".