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40033850668 = 22719379832069
BaseRepresentation
bin100101010010001101…
…000001010100101100
310211100000202022212221
4211102031001110230
51123442131210133
630220304205124
72615035054540
oct452215012454
9124300668787
1040033850668
1115a840795a9
1279133097a4
133a100a5146
141d1ac9da20
151094971a2d
hex95234152c

40033850668 has 96 divisors (see below), whose sum is σ = 86689612800. Its totient is φ = 15791314176.

The previous prime is 40033850651. The next prime is 40033850707. The reversal of 40033850668 is 86605833004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19348338 + ... + 19350406.

It is an arithmetic number, because the mean of its divisors is an integer number (903016800).

Almost surely, 240033850668 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 40033850668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43344806400).

40033850668 is an abundant number, since it is smaller than the sum of its proper divisors (46655762132).

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

40033850668 is a wasteful number, since it uses less digits than its factorization.

40033850668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 40033850668 in words is "forty billion, thirty-three million, eight hundred fifty thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 19 28 37 38 74 76 133 148 259 266 518 532 703 983 1036 1406 1966 2069 2812 3932 4138 4921 6881 8276 9842 13762 14483 18677 19684 27524 28966 36371 37354 39311 57932 72742 74708 76553 78622 130739 145484 153106 157244 254597 261478 275177 306212 509194 522956 535871 550354 691049 1018388 1071742 1100708 1382098 1454507 2033827 2143484 2764196 2909014 4067654 4837343 5818028 8135308 9674686 10181549 14236789 19349372 20363098 28473578 38642713 40726196 56947156 75251599 77285426 150503198 154570852 270498991 301006396 526761193 540997982 1053522386 1081995964 1429780381 2107044772 2859560762 5719121524 10008462667 20016925334 40033850668