44992221318 has 192 divisors, whose sum is σ = 117889634304. Its totient is φ = 12241152000.

The previous prime is 44992221311. The next prime is 44992221319. The reversal of 44992221318 is 81312229944.

44992221318 is a `hidden beast` number, since 4 + 499 + 2 + 22 + 131 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44992221311) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 7405530 + ... + 7411602.

It is an arithmetic number, because the mean of its divisors is an integer number (614008512).

Almost surely, 2^44992221318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44992221318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58944817152).

44992221318 is an abundant number, since it is smaller than the sum of its proper divisors (72897412986).

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

44992221318 is a wasteful number, since it uses less digits than its factorization.

44992221318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211 (or 6208 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 44992221318 in words is "forty-four billion, nine hundred ninety-two million, two hundred twenty-one thousand, three hundred eighteen".