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42244404220420 = 22597443253119421
BaseRepresentation
bin10011001101011110010101…
…01101010001001000000100
312112120112012011102122220021
421212233022231101020010
521014113014440023140
6225502451131544524
711620025501123263
oct1146571255211004
9175515164378807
1042244404220420
1112507829967086
1248a32b95bb144
131a758267b052c
14a608d65105da
154d3d19624b4a
hex266bcab51204

42244404220420 has 96 divisors (see below), whose sum is σ = 89870257766016. Its totient is φ = 16678355865600.

The previous prime is 42244404220393. The next prime is 42244404220427. The reversal of 42244404220420 is 2402240444224.

It is not an unprimeable number, because it can be changed into a prime (42244404220427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2175182310 + ... + 2175201730.

It is an arithmetic number, because the mean of its divisors is an integer number (936148518396).

Almost surely, 242244404220420 is an apocalyptic number.

It is an amenable number.

42244404220420 is an abundant number, since it is smaller than the sum of its proper divisors (47625853545596).

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

42244404220420 is a wasteful number, since it uses less digits than its factorization.

42244404220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22501 (or 22499 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 42244404220420 its reverse (2402240444224), we get a palindrome (44646644664644).

The spelling of 42244404220420 in words is "forty-two trillion, two hundred forty-four billion, four hundred four million, two hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 443 485 886 970 1772 1940 2215 2531 4430 5062 8860 10124 12655 19421 25310 38842 42971 50620 77684 85942 97105 171884 194210 214855 245507 388420 429710 491014 859420 982028 1121233 1227535 1883837 2242466 2455070 3767674 4484932 4910140 5606165 7535348 8603503 9419185 11212330 17207006 18838370 22424660 34414012 37676740 43017515 49154551 86035030 98309102 108759601 172070060 196618204 217519202 245772755 435038404 491545510 543798005 834539791 983091020 1087596010 1669079582 2175192020 3338159164 4172698955 4767991447 8345397910 9535982894 16690795820 19071965788 21775466093 23839957235 43550932186 47679914470 87101864372 95359828940 108877330465 217754660930 435509321860 2112220211021 4224440422042 8448880844084 10561101055105 21122202110210 42244404220420