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42055526880 = 2532529205227
BaseRepresentation
bin100111001010101101…
…000110100111100000
311000112220220010021200
4213022231012213200
51142112203330010
631153043521200
73016114036353
oct471255064740
9130486803250
1042055526880
1116921280894
128198389200
133c72b9b863
14206d59c29a
1511621b6cc0
hex9cab469e0

42055526880 has 72 divisors (see below), whose sum is σ = 143514490392. Its totient is φ = 11214806784.

The previous prime is 42055526867. The next prime is 42055526917. The reversal of 42055526880 is 8862555024.

It is a happy number.

42055526880 is a `hidden beast` number, since 42 + 0 + 5 + 5 + 526 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14601174 + ... + 14604053.

It is an arithmetic number, because the mean of its divisors is an integer number (1993256811).

Almost surely, 242055526880 is an apocalyptic number.

42055526880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42055526880 is an abundant number, since it is smaller than the sum of its proper divisors (101458963512).

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

42055526880 is a wasteful number, since it uses less digits than its factorization.

42055526880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29205248 (or 29205237 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 42055526880 in words is "forty-two billion, fifty-five million, five hundred twenty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 29205227 58410454 87615681 116820908 146026135 175231362 233641816 262847043 292052270 350462724 438078405 467283632 525694086 584104540 700925448 876156810 934567264 1051388172 1168209080 1314235215 1401850896 1752313620 2102776344 2336418160 2628470430 2803701792 3504627240 4205552688 4672836320 5256940860 7009254480 8411105376 10513881720 14018508960 21027763440 42055526880