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42655460767880 = 2355980932233331
BaseRepresentation
bin10011011001011011111111…
…00101100011100010001000
312121000211012101211211122212
421230231333211203202020
521042331340424033010
6230415352000204252
711661520040124452
oct1154557745434210
9177024171754585
1042655460767880
111265609663a204
12494aab7609688
131aa551498483c
14a7676cca32d2
154de876a2c505
hex26cb7f963888

42655460767880 has 64 divisors (see below), whose sum is σ = 97613581723200. Its totient is φ = 16770914702080.

The previous prime is 42655460767849. The next prime is 42655460767937. The reversal of 42655460767880 is 8876706455624.

It is a super-3 number, since 3×426554607678803 (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42655460767880.

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, 17982815 + ... + 20216145.

It is an arithmetic number, because the mean of its divisors is an integer number (1525212214425).

Almost surely, 242655460767880 is an apocalyptic number.

42655460767880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42655460767880 is an abundant number, since it is smaller than the sum of its proper divisors (54958120955320).

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

42655460767880 is a wasteful number, since it uses less digits than its factorization.

42655460767880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241494 (or 2241490 counting only the distinct ones).

The product of its (nonzero) digits is 541900800, while the sum is 68.

The spelling of 42655460767880 in words is "forty-two trillion, six hundred fifty-five billion, four hundred sixty million, seven hundred sixty-seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2360 8093 16186 32372 40465 64744 80930 161860 323720 477487 954974 1909948 2233331 2387435 3819896 4466662 4774870 8933324 9549740 11166655 17866648 19099480 22333310 44666620 89333240 131766529 263533058 527066116 658832645 1054132232 1317665290 2635330580 5270661160 18074347783 36148695566 72297391132 90371738915 144594782264 180743477830 361486955660 722973911320 1066386519197 2132773038394 4265546076788 5331932595985 8531092153576 10663865191970 21327730383940 42655460767880