44111144220 has 192 divisors, whose sum is σ = 147843408384. Its totient is φ = 9684679680.

The previous prime is 44111144197. The next prime is 44111144237. The reversal of 44111144220 is 2244111144.

It is a super-4 number, since 4×44111144220⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406239 + ... + 503241.

It is an arithmetic number, because the mean of its divisors is an integer number (770017752).

Almost surely, 2^44111144220 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 44111144220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73921704192).

44111144220 is an abundant number, since it is smaller than the sum of its proper divisors (103732264164).

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

44111144220 is a wasteful number, since it uses less digits than its factorization.

44111144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97092 (or 97090 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 44111144220 its reverse (2244111144), we get a palindrome (46355255364).

The spelling of 44111144220 in words is "forty-four billion, one hundred eleven million, one hundred forty-four thousand, two hundred twenty".