64225651260 has 96 divisors (see below), whose sum is σ = 187773852672. Its totient is φ = 16371435520.

The previous prime is 64225651219. The next prime is 64225651297. The reversal of 64225651260 is 6215652246.

It is a super-2 number, since 2×64225651260² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2203180 + ... + 2232140.

It is an arithmetic number, because the mean of its divisors is an integer number (1955977632).

Almost surely, 2^64225651260 is an apocalyptic number.

64225651260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64225651260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93886926336).

64225651260 is an abundant number, since it is smaller than the sum of its proper divisors (123548201412).

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

64225651260 is a wasteful number, since it uses less digits than its factorization.

64225651260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30603 (or 30601 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 64225651260 in words is "sixty-four billion, two hundred twenty-five million, six hundred fifty-one thousand, two hundred sixty".