64022444199936 has 624 divisors, whose sum is σ = 209846896556544. Its totient is φ = 18692787142656.

The previous prime is 64022444199863. The next prime is 64022444199949. The reversal of 64022444199936 is 63999144422046.

It is a happy number.

64022444199936 is a `hidden beast` number, since 6 + 40 + 22 + 44 + 419 + 99 + 36 = 666.

It is a super-2 number, since 2×64022444199936² (a number of 28 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 533251465 + ... + 533371511.

It is an arithmetic number, because the mean of its divisors is an integer number (336293103456).

Almost surely, 2^{64022444199936} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64022444199936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104923448278272).

64022444199936 is an abundant number, since it is smaller than the sum of its proper divisors (145824452356608).

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

64022444199936 is a wasteful number, since it uses less digits than its factorization.

64022444199936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120154 (or 120129 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 64022444199936 in words is "sixty-four trillion, twenty-two billion, four hundred forty-four million, one hundred ninety-nine thousand, nine hundred thirty-six".