6560400 has 240 divisors, whose sum is σ = 26569728. Its totient is φ = 1344000.

The previous prime is 6560371. The next prime is 6560413. The reversal of 6560400 is 40656.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92365 + ... + 92435.

Almost surely, 2^6560400 is an apocalyptic number.

6560400 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 6560400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13284864).

6560400 is an abundant number, since it is smaller than the sum of its proper divisors (20009328).

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

6560400 is a wasteful number, since it uses less digits than its factorization.

6560400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6560400 is about 2561.3277806638. The cubic root of 6560400 is about 187.2018372235.

The spelling of 6560400 in words is "six million, five hundred sixty thousand, four hundred".