64444046422 has 16 divisors (see below), whose sum is σ = 113044707072. Its totient is φ = 26976577320.

The previous prime is 64444046419. The next prime is 64444046441. The reversal of 64444046422 is 22464044446.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53524354 + ... + 53525557.

It is an arithmetic number, because the mean of its divisors is an integer number (7065294192).

Almost surely, 2^64444046422 is an apocalyptic number.

64444046422 is a deficient number, since it is larger than the sum of its proper divisors (48600660650).

64444046422 is a wasteful number, since it uses less digits than its factorization.

64444046422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107049963.

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 64444046422 in words is "sixty-four billion, four hundred forty-four million, forty-six thousand, four hundred twenty-two".