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40768845280 = 2554147132229
BaseRepresentation
bin100101111110000000…
…110011010111100000
310220020020202220221121
4211332000303113200
51131443311022110
630421241502024
72642201316142
oct457600632740
9126206686847
1040768845280
1116320a4a969
127a994a1914
133ac94479b7
141d8a746c92
1510d9257cda
hex97e0335e0

40768845280 has 96 divisors (see below), whose sum is σ = 100765607040. Its totient is φ = 15571169280.

The previous prime is 40768845277. The next prime is 40768845287. The reversal of 40768845280 is 8254886704.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40768845287) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 242206 + ... + 374434.

It is an arithmetic number, because the mean of its divisors is an integer number (1049641740).

Almost surely, 240768845280 is an apocalyptic number.

40768845280 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 40768845280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50382803520).

40768845280 is an abundant number, since it is smaller than the sum of its proper divisors (59996761760).

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

40768845280 is a wasteful number, since it uses less digits than its factorization.

40768845280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132332 (or 132324 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 40768845280 in words is "forty billion, seven hundred sixty-eight million, eight hundred forty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 47 80 82 94 160 164 188 205 235 328 376 410 470 656 752 820 940 1312 1504 1640 1880 1927 3280 3760 3854 6560 7520 7708 9635 15416 19270 30832 38540 61664 77080 132229 154160 264458 308320 528916 661145 1057832 1322290 2115664 2644580 4231328 5289160 5421389 6214763 10578320 10842778 12429526 21156640 21685556 24859052 27106945 31073815 43371112 49718104 54213890 62147630 86742224 99436208 108427780 124295260 173484448 198872416 216855560 248590520 254805283 433711120 497181040 509610566 867422240 994362080 1019221132 1274026415 2038442264 2548052830 4076884528 5096105660 8153769056 10192211320 20384422640 40768845280