64225648760 has 64 divisors (see below), whose sum is σ = 177855652800. Its totient is φ = 20326358016.

The previous prime is 64225648709. The next prime is 64225648783. The reversal of 64225648760 is 6784652246.

It is a junction number, because it is equal to n+sod(n) for n = 64225648699 and 64225648708.

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 15 ways as a sum of consecutive naturals, for example, 8818565 + ... + 8825844.

It is an arithmetic number, because the mean of its divisors is an integer number (2778994575).

Almost surely, 2^64225648760 is an apocalyptic number.

It is an amenable number.

64225648760 is an abundant number, since it is smaller than the sum of its proper divisors (113630004040).

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

64225648760 is a wasteful number, since it uses less digits than its factorization.

64225648760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17644440 (or 17644436 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 64225648760 in words is "sixty-four billion, two hundred twenty-five million, six hundred forty-eight thousand, seven hundred sixty".