64488808304 has 80 divisors (see below), whose sum is σ = 137929109472. Its totient is φ = 29082353664.

The previous prime is 64488808297. The next prime is 64488808331. The reversal of 64488808304 is 40380888446.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567872 + ... + 671904.

Almost surely, 2^64488808304 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 64488808304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68964554736).

64488808304 is an abundant number, since it is smaller than the sum of its proper divisors (73440301168).

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

64488808304 is a wasteful number, since it uses less digits than its factorization.

64488808304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104154 (or 104148 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 53.

The spelling of 64488808304 in words is "sixty-four billion, four hundred eighty-eight million, eight hundred eight thousand, three hundred four".