64284236064 has 60 divisors (see below), whose sum is σ = 189058160214. Its totient is φ = 21428077824.

The previous prime is 64284236063. The next prime is 64284236069. The reversal of 64284236064 is 46063248246.

64284236064 is a `hidden beast` number, since 6 + 4 + 284 + 2 + 360 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40599026064 + 23685210000 = 201492^2 + 153900^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64284236063) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 12397917 + ... + 12403100.

Almost surely, 2^64284236064 is an apocalyptic number.

It is an amenable number.

64284236064 is an abundant number, since it is smaller than the sum of its proper divisors (124773924150).

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

64284236064 is a wasteful number, since it uses less digits than its factorization.

64284236064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24801039 (or 24801022 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 64284236064 in words is "sixty-four billion, two hundred eighty-four million, two hundred thirty-six thousand, sixty-four".