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2041221442440 = 2335411439288313
BaseRepresentation
bin11101101101000010010…
…001110110101110001000
321020010202020021002111110
4131231002101312232020
5231420410142124230
64201420231330320
7300321240661365
oct35550221665610
97203666232443
102041221442440
1171774a320694
1228b728b209a0
1311a6426a7c2b
1470b1d36d46c
153816bd384b0
hex1db42476b88

2041221442440 has 128 divisors (see below), whose sum is σ = 6277403059200. Its totient is φ = 530678599680.

The previous prime is 2041221442427. The next prime is 2041221442489. The reversal of 2041221442440 is 442441221402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2041221442398 and 2041221442407.

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, 6935724 + ... + 7224036.

It is an arithmetic number, because the mean of its divisors is an integer number (49042211400).

Almost surely, 22041221442440 is an apocalyptic number.

2041221442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2041221442440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3138701529600).

2041221442440 is an abundant number, since it is smaller than the sum of its proper divisors (4236181616760).

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

2041221442440 is a wasteful number, since it uses less digits than its factorization.

2041221442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289807 (or 289803 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 2041221442440 its reverse (442441221402), we get a palindrome (2483662663842).

The spelling of 2041221442440 in words is "two trillion, forty-one billion, two hundred twenty-one million, four hundred forty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1439 1640 2460 2878 4317 4920 5756 7195 8634 11512 14390 17268 21585 28780 34536 43170 57560 58999 86340 117998 172680 176997 235996 288313 294995 353994 471992 576626 589990 707988 864939 884985 1153252 1179980 1415976 1441565 1729878 1769970 2306504 2359960 2883130 3459756 3539940 4324695 5766260 6919512 7079880 8649390 11532520 11820833 17298780 23641666 34597560 35462499 47283332 59104165 70924998 94566664 118208330 141849996 177312495 236416660 283699992 354624990 414882407 472833320 709249980 829764814 1244647221 1418499960 1659529628 2074412035 2489294442 3319059256 4148824070 4978588884 6223236105 8297648140 9957177768 12446472210 16595296280 17010178687 24892944420 34020357374 49785888840 51030536061 68040714748 85050893435 102061072122 136081429496 170101786870 204122144244 255152680305 340203573740 408244288488 510305360610 680407147480 1020610721220 2041221442440