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42231304224440 = 2351917829706049
BaseRepresentation
bin10011001101000101111011…
…11000101111111010111000
312112112021101012110220201222
421212202331320233322320
521013404202340140230
6225452443205331212
711616053042031212
oct1146427570577270
9175467335426658
1042231304224440
11125022172a3221
1248a0862406b08
131a74519799b16
14a600127955b2
154d37ee51e6e5
hex2668bde2feb8

42231304224440 has 64 divisors (see below), whose sum is σ = 95530259520000. Its totient is φ = 16801908981760.

The previous prime is 42231304224377. The next prime is 42231304224443. The reversal of 42231304224440 is 4442240313224.

It is a self number, because there is not a number n which added to its sum of digits gives 42231304224440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231304224443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59460536 + ... + 60166584.

It is an arithmetic number, because the mean of its divisors is an integer number (1492660305000).

Almost surely, 242231304224440 is an apocalyptic number.

42231304224440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42231304224440 is an abundant number, since it is smaller than the sum of its proper divisors (53298955295560).

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

42231304224440 is a wasteful number, since it uses less digits than its factorization.

42231304224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714080 (or 714076 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 42231304224440 its reverse (4442240313224), we get a palindrome (46673544537664).

The spelling of 42231304224440 in words is "forty-two trillion, two hundred thirty-one billion, three hundred four million, two hundred twenty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 191 382 764 955 1528 1910 3820 7640 7829 15658 31316 39145 62632 78290 156580 313160 706049 1412098 1495339 2824196 2990678 3530245 5648392 5981356 7060490 7476695 11962712 14120980 14953390 28241960 29906780 59813560 134855359 269710718 539421436 674276795 1078842872 1348553590 2697107180 5394214360 5527657621 11055315242 22110630484 27638288105 44221260968 55276576210 110553152420 221106304840 1055782605611 2111565211222 4223130422444 5278913028055 8446260844888 10557826056110 21115652112220 42231304224440