6536040 has 128 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 1440000.

The previous prime is 6536039. The next prime is 6536059. The reversal of 6536040 is 406356.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6536040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25915 + ... + 26165.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 2^6536040 is an apocalyptic number.

6536040 is a gapful number since it is divisible by the number (60) 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 6536040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11612160).

6536040 is an abundant number, since it is smaller than the sum of its proper divisors (16688280).

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

6536040 is a wasteful number, since it uses less digits than its factorization.

6536040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 6536040 is about 2556.5680120036. The cubic root of 6536040 is about 186.9698446232.

The spelling of 6536040 in words is "six million, five hundred thirty-six thousand, forty".