64464458368338 has 96 divisors (see below), whose sum is σ = 159984311086080. Its totient is φ = 18377113183200.

The previous prime is 64464458368327. The next prime is 64464458368351. The reversal of 64464458368338 is 83386385446446.

64464458368338 is a `hidden beast` number, since 6 + 4 + 4 + 6 + 4 + 4 + 583 + 6 + 8 + 3 + 38 = 666.

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 643622563 + ... + 643722713.

It is an arithmetic number, because the mean of its divisors is an integer number (1666503240480).

Almost surely, 2^{64464458368338} is an apocalyptic number.

64464458368338 is an abundant number, since it is smaller than the sum of its proper divisors (95519852717742).

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

64464458368338 is a wasteful number, since it uses less digits than its factorization.

64464458368338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111572 (or 111569 counting only the distinct ones).

The product of its digits is 3822059520, while the sum is 72.

The spelling of 64464458368338 in words is "sixty-four trillion, four hundred sixty-four billion, four hundred fifty-eight million, three hundred sixty-eight thousand, three hundred thirty-eight".