44321264064 has 168 divisors, whose sum is σ = 158386320768. Its totient is φ = 11512005120.

The previous prime is 44321264051. The next prime is 44321264087. The reversal of 44321264064 is 46046212344.

44321264064 is a `hidden beast` number, since 4 + 4 + 3 + 2 + 1 + 2 + 640 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455302 + ... + 544005.

Almost surely, 2^44321264064 is an apocalyptic number.

44321264064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44321264064 is an abundant number, since it is smaller than the sum of its proper divisors (114065056704).

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

44321264064 is a wasteful number, since it uses less digits than its factorization.

44321264064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999343 (or 999330 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 44321264064 in words is "forty-four billion, three hundred twenty-one million, two hundred sixty-four thousand, sixty-four".