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340400231412040 = 23579574118763559
BaseRepresentation
bin100110101100101111001101…
…0110111111111000101001000
31122122020221111101212220210201
41031121132122313333011020
5324104104133220141130
63203545412452421544
7131462051030441362
oct11531363267770510
91578227441786721
10340400231412040
1199509a22464208
1232217a189178b4
13117c27b12427c7
14600b65db11d32
1529548d0435bca
hex135979adff148

340400231412040 has 64 divisors (see below), whose sum is σ = 775730602944000. Its totient is φ = 134413123004160.

The previous prime is 340400231412037. The next prime is 340400231412083. The reversal of 340400231412040 is 40214132004043.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8759781 + ... + 27523339.

It is an arithmetic number, because the mean of its divisors is an integer number (12120790671000).

Almost surely, 2340400231412040 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 340400231412040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387865301472000).

340400231412040 is an abundant number, since it is smaller than the sum of its proper divisors (435330371531960).

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

340400231412040 is a wasteful number, since it uses less digits than its factorization.

340400231412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18769390 (or 18769386 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 340400231412040 its reverse (40214132004043), we get a palindrome (380614363416083).

The spelling of 340400231412040 in words is "three hundred forty trillion, four hundred billion, two hundred thirty-one million, four hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 5741 11482 22964 28705 45928 57410 114820 229640 453539 907078 1814156 2267695 3628312 4535390 9070780 18141560 18763559 37527118 75054236 93817795 150108472 187635590 375271180 750542360 1482321161 2964642322 5929284644 7411605805 11858569288 14823211610 29646423220 59292846440 107721592219 215443184438 430886368876 538607961095 861772737752 1077215922190 2154431844380 4308863688760 8510005785301 17020011570602 34040023141204 42550028926505 68080046282408 85100057853010 170200115706020 340400231412040