64008560 has 80 divisors (see below), whose sum is σ = 185559552. Its totient is φ = 19948800.

The previous prime is 64008551. The next prime is 64008599. The reversal of 64008560 is 6580046.

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

It is a congruent number.

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, 965 + ... + 11355.

Almost surely, 2^64008560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64008560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92779776).

64008560 is an abundant number, since it is smaller than the sum of its proper divisors (121550992).

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

64008560 is a wasteful number, since it uses less digits than its factorization.

64008560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422 (or 10416 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 64008560 is about 8000.5349821121. The cubic root of 64008560 is about 400.0178325383.

The spelling of 64008560 in words is "sixty-four million, eight thousand, five hundred sixty".