64564530030 has 384 divisors, whose sum is σ = 235303004160. Its totient is φ = 12383642880.

The previous prime is 64564530029. The next prime is 64564530047. The reversal of 64564530030 is 3003546546.

64564530030 is a `hidden beast` number, since 6 + 4 + 5 + 645 + 3 + 0 + 0 + 3 + 0 = 666.

It is a congruent number.

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 191 ways as a sum of consecutive naturals, for example, 1874827 + ... + 1908953.

It is an arithmetic number, because the mean of its divisors is an integer number (612768240).

Almost surely, 2^64564530030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64564530030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117651502080).

64564530030 is an abundant number, since it is smaller than the sum of its proper divisors (170738474130).

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

64564530030 is a wasteful number, since it uses less digits than its factorization.

64564530030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34181 (or 34168 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 64564530030 in words is "sixty-four billion, five hundred sixty-four million, five hundred thirty thousand, thirty".