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44404404040 = 2353313335077
BaseRepresentation
bin101001010110101101…
…010110111101001000
311020121121201110000001
4221112231112331020
51211420011412130
632222112252344
73131245130623
oct512655267510
9136547643001
1044404404040
1117917145a87
128732b410b4
1342586c7cb9
142213510dba
15124d4e06ca
hexa56b56f48

44404404040 has 32 divisors (see below), whose sum is σ = 99940364280. Its totient is φ = 17756347392.

The previous prime is 44404404013. The next prime is 44404404047. The reversal of 44404404040 is 4040440444.

It can be written as a sum of positive squares in 4 ways, for example, as 33864096484 + 10540307556 = 184022^2 + 102666^2 .

It is not an unprimeable number, because it can be changed into a prime (44404404047) 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 7 ways as a sum of consecutive naturals, for example, 35019 + ... + 300058.

Almost surely, 244404404040 is an apocalyptic number.

44404404040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44404404040 is an abundant number, since it is smaller than the sum of its proper divisors (55535960240).

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

44404404040 is a wasteful number, since it uses less digits than its factorization.

44404404040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338401 (or 338397 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44404404040 its reverse (4040440444), we get a palindrome (48444844484).

The spelling of 44404404040 in words is "forty-four billion, four hundred four million, four hundred four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 3313 6626 13252 16565 26504 33130 66260 132520 335077 670154 1340308 1675385 2680616 3350770 6701540 13403080 1110110101 2220220202 4440440404 5550550505 8880880808 11101101010 22202202020 44404404040