8549040 has 80 divisors (see below), whose sum is σ = 26784000. Its totient is φ = 2255616.

The previous prime is 8549027. The next prime is 8549071. The reversal of 8549040 is 409458.

8549040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a junction number, because it is equal to n+sod(n) for n = 8548989 and 8549007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42861 + ... + 43059.

It is an arithmetic number, because the mean of its divisors is an integer number (334800).

Almost surely, 2^8549040 is an apocalyptic number.

8549040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8549040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13392000).

8549040 is an abundant number, since it is smaller than the sum of its proper divisors (18234960).

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

8549040 is a wasteful number, since it uses less digits than its factorization.

8549040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8549040 is about 2923.8741422982. The cubic root of 8549040 is about 204.4744818640.

The spelling of 8549040 in words is "eight million, five hundred forty-nine thousand, forty".