64325457560 has 576 divisors, whose sum is σ = 195124023360. Its totient is φ = 18898790400.

The previous prime is 64325457541. The next prime is 64325457563. The reversal of 64325457560 is 6575452346.

64325457560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64325457560² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64325457563) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 905992325 + ... + 905992395.

It is an arithmetic number, because the mean of its divisors is an integer number (338756985).

Almost surely, 2^64325457560 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 64325457560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97562011680).

64325457560 is an abundant number, since it is smaller than the sum of its proper divisors (130798565800).

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

64325457560 is a wasteful number, since it uses less digits than its factorization.

64325457560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 64325457560 in words is "sixty-four billion, three hundred twenty-five million, four hundred fifty-seven thousand, five hundred sixty".