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40050203231320 = 23531503541118691
BaseRepresentation
bin10010001101100111010100…
…01000110000010001011000
312020210202120112011101220021
421012303222020300101120
520222140304011400240
6221102450453440224
711302350241342432
oct1106635210602130
9166722515141807
1040050203231320
1111841217687897
1245a9bb8040074
1319469444834b9
149c6623bcd652
15496be735854a
hex246cea230458

40050203231320 has 128 divisors (see below), whose sum is σ = 93377826017280. Its totient is φ = 15443752896000.

The previous prime is 40050203231267. The next prime is 40050203231387. The reversal of 40050203231320 is 2313230205004.

It is a congruent number.

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, 337373175 + ... + 337491865.

It is an arithmetic number, because the mean of its divisors is an integer number (729514265760).

Almost surely, 240050203231320 is an apocalyptic number.

40050203231320 is a gapful number since it is divisible by the number (40) 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 40050203231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46688913008640).

40050203231320 is an abundant number, since it is smaller than the sum of its proper divisors (53327622785960).

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

40050203231320 is a wasteful number, since it uses less digits than its factorization.

40050203231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119777 (or 119773 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 40050203231320 its reverse (2313230205004), we get a palindrome (42363433436324).

The spelling of 40050203231320 in words is "forty trillion, fifty billion, two hundred three million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 503 541 620 1006 1082 1240 2012 2164 2515 2705 4024 4328 5030 5410 10060 10820 15593 16771 20120 21640 31186 33542 62372 67084 77965 83855 118691 124744 134168 155930 167710 237382 272123 311860 335420 474764 544246 593455 623720 670840 949528 1088492 1186910 1360615 2176984 2373820 2721230 3679421 4747640 5442460 7358842 8435813 10884920 14717684 16871626 18397105 29435368 33743252 36794210 42179065 59701573 64211831 67486504 73588420 84358130 119403146 128423662 147176840 168716260 238806292 256847324 298507865 321059155 337432520 477612584 513694648 597015730 642118310 1194031460 1284236620 1850748763 1990566761 2388062920 2568473240 3701497526 3981133522 7402995052 7962267044 9253743815 9952833805 14805990104 15924534088 18507487630 19905667610 32298550993 37014975260 39811335220 64597101986 74029950520 79622670440 129194203972 161492754965 258388407944 322985509930 645971019860 1001255080783 1291942039720 2002510161566 4005020323132 5006275403915 8010040646264 10012550807830 20025101615660 40050203231320