64604590848 has 576 divisors, whose sum is σ = 231583564800. Its totient is φ = 17371791360.

The previous prime is 64604590823. The next prime is 64604590903. The reversal of 64604590848 is 84809540646.

64604590848 is a `hidden beast` number, since 6 + 4 + 6 + 0 + 4 + 590 + 8 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 64604590794 and 64604590803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57528015 + ... + 57529137.

It is an arithmetic number, because the mean of its divisors is an integer number (402054800).

Almost surely, 2^64604590848 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 64604590848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115791782400).

64604590848 is an abundant number, since it is smaller than the sum of its proper divisors (166978973952).

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

64604590848 is a wasteful number, since it uses less digits than its factorization.

64604590848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 64604590848 in words is "sixty-four billion, six hundred four million, five hundred ninety thousand, eight hundred forty-eight".