64650226344 has 32 divisors (see below), whose sum is σ = 176318799840. Its totient is φ = 19590977600.

The previous prime is 64650226327. The next prime is 64650226369. The reversal of 64650226344 is 44362205646.

It is a junction number, because it is equal to n+sod(n) for n = 64650226296 and 64650226305.

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 7 ways as a sum of consecutive naturals, for example, 122443347 + ... + 122443874.

It is an arithmetic number, because the mean of its divisors is an integer number (5509962495).

Almost surely, 2^64650226344 is an apocalyptic number.

It is an amenable number.

64650226344 is an abundant number, since it is smaller than the sum of its proper divisors (111668573496).

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

64650226344 is a wasteful number, since it uses less digits than its factorization.

64650226344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244887241 (or 244887237 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 64650226344 in words is "sixty-four billion, six hundred fifty million, two hundred twenty-six thousand, three hundred forty-four".