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44220000000 = 283571167
BaseRepresentation
bin101001001011101101…
…111010011100000000
311020010202201202012210
4221023231322130000
51211030310000000
632151524022120
73123545540541
oct511355723400
9136122652183
1044220000000
1117832045550
1286a1231940
134229441697
1421d6c2c4c8
15123c217350
hexa4bb7a700

44220000000 has 576 divisors, whose sum is σ = 162880833024. Its totient is φ = 10560000000.

The previous prime is 44219999987. The next prime is 44220000001. The reversal of 44220000000 is 2244.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220000001) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 659999967 + ... + 660000033.

It is an arithmetic number, because the mean of its divisors is an integer number (282779224).

Almost surely, 244220000000 is an apocalyptic number.

44220000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44220000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81440416512).

44220000000 is an abundant number, since it is smaller than the sum of its proper divisors (118660833024).

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

44220000000 is an frugal number, since it uses more digits than its factorization.

44220000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 44220000000 its reverse (2244), we get a palindrome (44220002244).

The spelling of 44220000000 in words is "forty-four billion, two hundred twenty million", and thus it is an aban number.