8540256 has 48 divisors (see below), whose sum is σ = 23741424. Its totient is φ = 2678784.

The previous prime is 8540243. The next prime is 8540281. The reversal of 8540256 is 6520458.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985 + ... + 4248.

It is an arithmetic number, because the mean of its divisors is an integer number (494613).

Almost surely, 2^8540256 is an apocalyptic number.

It is an amenable number.

8540256 is an abundant number, since it is smaller than the sum of its proper divisors (15201168).

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

8540256 is a wasteful number, since it uses less digits than its factorization.

8540256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263 (or 5255 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 8540256 is about 2922.3716396105. The cubic root of 8540256 is about 204.4044264599.

It can be divided in two parts, 85402 and 56, that added together give a palindrome (85458).

The spelling of 8540256 in words is "eight million, five hundred forty thousand, two hundred fifty-six".