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200042444440 = 23544311289077
BaseRepresentation
bin1011101001001101110…
…1010111011010011000
3201010100022011002022201
42322103131113122120
511234141331210230
6231522003455544
720311144502506
oct2722335273230
9633308132281
10200042444440
1177923821353
12329299875b4
1315b30060527
1499799ad676
15530c05a5ca
hex2e93757698

200042444440 has 32 divisors (see below), whose sum is σ = 451111556880. Its totient is φ = 79836345472.

The previous prime is 200042444419. The next prime is 200042444443. The reversal of 200042444440 is 44444240002.

It is a junction number, because it is equal to n+sod(n) for n = 200042444399 and 200042444408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200042444443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5626819 + ... + 5662258.

Almost surely, 2200042444440 is an apocalyptic number.

200042444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200042444440 is an abundant number, since it is smaller than the sum of its proper divisors (251069112440).

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

200042444440 is a wasteful number, since it uses less digits than its factorization.

200042444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11289531 (or 11289527 counting only the distinct ones).

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

Adding to 200042444440 its reverse (44444240002), we get a palindrome (244486684442).

The spelling of 200042444440 in words is "two hundred billion, forty-two million, four hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 443 886 1772 2215 3544 4430 8860 17720 11289077 22578154 45156308 56445385 90312616 112890770 225781540 451563080 5001061111 10002122222 20004244444 25005305555 40008488888 50010611110 100021222220 200042444440