64460218436 has 12 divisors (see below), whose sum is σ = 113859638928. Its totient is φ = 31928893032.

The previous prime is 64460218411. The next prime is 64460218447. The reversal of 64460218436 is 63481206446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75303566 + ... + 75304421.

It is an arithmetic number, because the mean of its divisors is an integer number (9488303244).

Almost surely, 2^64460218436 is an apocalyptic number.

It is an amenable number.

64460218436 is a deficient number, since it is larger than the sum of its proper divisors (49399420492).

64460218436 is a wasteful number, since it uses less digits than its factorization.

64460218436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150608098 (or 150608096 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 64460218436 in words is "sixty-four billion, four hundred sixty million, two hundred eighteen thousand, four hundred thirty-six".