Base | Representation |
---|---|
bin | 101001010111101010… |
… | …100010000010110000 |
3 | 11020122201220011112101 |
4 | 221113222202002300 |
5 | 1211433113041430 |
6 | 32223444110144 |
7 | 3131531340451 |
oct | 512752420260 |
9 | 136581804471 |
10 | 44420440240 |
11 | 179251a9240 |
12 | 8738395354 |
13 | 425bb21187 |
14 | 22156c7128 |
15 | 124eb0bdca |
hex | a57aa20b0 |
44420440240 has 80 divisors (see below), whose sum is σ = 113422874400. Its totient is φ = 16044431360.
The previous prime is 44420440223. The next prime is 44420440249. The reversal of 44420440240 is 4204402444.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×444204402402 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 44420440199 and 44420440208.
It is not an unprimeable number, because it can be changed into a prime (44420440249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38269 + ... + 300508.
It is an arithmetic number, because the mean of its divisors is an integer number (1417785930).
Almost surely, 244420440240 is an apocalyptic number.
44420440240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
44420440240 is an abundant number, since it is smaller than the sum of its proper divisors (69002434160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44420440240 is a wasteful number, since it uses less digits than its factorization.
44420440240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338950 (or 338944 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 28.
Adding to 44420440240 its reverse (4204402444), we get a palindrome (48624842684).
It can be divided in two parts, 4 and 4420440240, that added together give a palindrome (4420440244).
The spelling of 44420440240 in words is "forty-four billion, four hundred twenty million, four hundred forty thousand, two hundred forty".
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