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42342440401040 = 24513291403927069
BaseRepresentation
bin10011010000010100111100…
…00111100111100010010000
312112220220020110210122101212
421220022132013213202100
521022214304220313130
6230015503143315252
711630066100656663
oct1150123607474220
9175826213718355
1042342440401040
111254536781765a
1248ba2b974bb28
131a81b4b4a2b70
14a655568136da
154d6656246e95
hex26829e1e7890

42342440401040 has 80 divisors (see below), whose sum is σ = 109674782708400. Its totient is φ = 15095023835136.

The previous prime is 42342440401013. The next prime is 42342440401139. The reversal of 42342440401040 is 4010404424324.

It can be written as a sum of positive squares in 8 ways, for example, as 599676774544 + 41742763626496 = 774388^2 + 6460864^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 42342440400988 and 42342440401006.

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, 701933375 + ... + 701993694.

It is an arithmetic number, because the mean of its divisors is an integer number (1370934783855).

Almost surely, 242342440401040 is an apocalyptic number.

42342440401040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42342440401040 is an abundant number, since it is smaller than the sum of its proper divisors (67332342307360).

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

42342440401040 is a wasteful number, since it uses less digits than its factorization.

42342440401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403927124 (or 1403927118 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42342440401040 its reverse (4010404424324), we get a palindrome (46352844825364).

The spelling of 42342440401040 in words is "forty-two trillion, three hundred forty-two billion, four hundred forty million, four hundred one thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 29 40 52 58 65 80 104 116 130 145 208 232 260 290 377 464 520 580 754 1040 1160 1508 1885 2320 3016 3770 6032 7540 15080 30160 1403927069 2807854138 5615708276 7019635345 11231416552 14039270690 18251051897 22462833104 28078541380 36502103794 40713885001 56157082760 73004207588 81427770002 91255259485 112314165520 146008415176 162855540004 182510518970 203569425005 292016830352 325711080008 365021037940 407138850010 529280505013 651422160016 730042075880 814277700020 1058561010026 1460084151760 1628555400040 2117122020052 2646402525065 3257110800080 4234244040104 5292805050130 8468488080208 10585610100260 21171220200520 42342440401040