6563040 has 144 divisors (see below), whose sum is σ = 22924944. Its totient is φ = 1576960.

The previous prime is 6563021. The next prime is 6563087. The reversal of 6563040 is 403656.

6563040 = T₁₁₉ + T₁₂₀ + ... + T₃₄₄.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6563040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58024 + ... + 58136.

It is an arithmetic number, because the mean of its divisors is an integer number (159201).

Almost surely, 2^6563040 is an apocalyptic number.

6563040 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 6563040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11462472).

6563040 is an abundant number, since it is smaller than the sum of its proper divisors (16361904).

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

6563040 is a wasteful number, since it uses less digits than its factorization.

6563040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 134 counting only the distinct ones).

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

The square root of 6563040 is about 2561.8430865297. The cubic root of 6563040 is about 187.2269447664.

Adding to 6563040 its reverse (403656), we get a palindrome (6966696).

The spelling of 6563040 in words is "six million, five hundred sixty-three thousand, forty".