64808480 has 96 divisors (see below), whose sum is σ = 174400128. Its totient is φ = 22528000.

The previous prime is 64808473. The next prime is 64808489. The reversal of 64808480 is 8480846.

64808480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64808489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39680 + ... + 41280.

It is an arithmetic number, because the mean of its divisors is an integer number (1816668).

Almost surely, 2^64808480 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 64808480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87200064).

64808480 is an abundant number, since it is smaller than the sum of its proper divisors (109591648).

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

64808480 is a wasteful number, since it uses less digits than its factorization.

64808480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 64808480 is about 8050.3714200029. The cubic root of 64808480 is about 401.6772902462.

The spelling of 64808480 in words is "sixty-four million, eight hundred eight thousand, four hundred eighty".