64235630592 has 624 divisors, whose sum is σ = 225709885440. Its totient is φ = 17206345728.

The previous prime is 64235630587. The next prime is 64235630603. The reversal of 64235630592 is 29503653246.

64235630592 is a `hidden beast` number, since 6 + 4 + 2 + 3 + 5 + 630 + 5 + 9 + 2 = 666.

64235630592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468873148 + ... + 468873284.

It is an arithmetic number, because the mean of its divisors is an integer number (361714560).

Almost surely, 2^64235630592 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 64235630592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112854942720).

64235630592 is an abundant number, since it is smaller than the sum of its proper divisors (161474254848).

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

64235630592 is a wasteful number, since it uses less digits than its factorization.

64235630592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 64235630592 in words is "sixty-four billion, two hundred thirty-five million, six hundred thirty thousand, five hundred ninety-two".