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40241231430 = 23529591276173
BaseRepresentation
bin100101011110100100…
…000111011001000110
310211212110222100210220
4211132210013121012
51124403223401210
630253033125210
72623133552301
oct453644073106
9124773870726
1040241231430
1116080142864
127970859806
133a44044a5a
141d3a643b38
1510a7c87c70
hex95e907646

40241231430 has 128 divisors (see below), whose sum is σ = 102419251200. Its totient is φ = 10103514624.

The previous prime is 40241231417. The next prime is 40241231441. The reversal of 40241231430 is 3413214204.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40241231430.

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 63 ways as a sum of consecutive naturals, for example, 6515824 + ... + 6521996.

It is an arithmetic number, because the mean of its divisors is an integer number (800150400).

Almost surely, 240241231430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40241231430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51209625600).

40241231430 is an abundant number, since it is smaller than the sum of its proper divisors (62178019770).

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

40241231430 is a wasteful number, since it uses less digits than its factorization.

40241231430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40241231430 its reverse (3413214204), we get a palindrome (43654445634).

The spelling of 40241231430 in words is "forty billion, two hundred forty-one million, two hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 59 87 118 127 145 174 177 254 290 295 354 381 435 590 635 762 870 885 1270 1711 1770 1905 3422 3683 3810 5133 6173 7366 7493 8555 10266 11049 12346 14986 17110 18415 18519 22098 22479 25665 30865 36830 37038 37465 44958 51330 55245 61730 74930 92595 110490 112395 179017 185190 217297 224790 358034 364207 434594 537051 651891 728414 783971 895085 1074102 1086485 1092621 1303782 1567942 1790170 1821035 2172970 2185242 2351913 2685255 3259455 3642070 3919855 4703826 5370510 5463105 6518910 7839710 10562003 10926210 11759565 21124006 22735159 23519130 31686009 45470318 46254289 52810015 63372018 68205477 92508578 105620030 113675795 136410954 138762867 158430045 227351590 231271445 277525734 316860090 341027385 462542890 682054770 693814335 1341374381 1387628670 2682748762 4024123143 6706871905 8048246286 13413743810 20120615715 40241231430