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344224305440 = 25510144947441
BaseRepresentation
bin1010000001001010101…
…11100001000100100000
31012220111120202111220122
411000211113201010200
521114432410233230
6422045013255412
733604125214421
oct5004527410440
91186446674818
10344224305440
11122a91712564
1256868034568
13265ca119b92
1412936771648
158e49e76be5
hex50255e1120

344224305440 has 96 divisors (see below), whose sum is σ = 823128188400. Its totient is φ = 136019968000.

The previous prime is 344224305413. The next prime is 344224305463. The reversal of 344224305440 is 44503422443.

It can be written as a sum of positive squares in 8 ways, for example, as 245258695696 + 98965609744 = 495236^2 + 314588^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 344224305440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7232120 + ... + 7279560.

Almost surely, 2344224305440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344224305440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411564094200).

344224305440 is an abundant number, since it is smaller than the sum of its proper divisors (478903882960).

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

344224305440 is a wasteful number, since it uses less digits than its factorization.

344224305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48006 (or 47998 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 344224305440 its reverse (44503422443), we get a palindrome (388727727883).

The spelling of 344224305440 in words is "three hundred forty-four billion, two hundred twenty-four million, three hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 101 160 202 404 449 505 808 898 1010 1616 1796 2020 2245 3232 3592 4040 4490 7184 8080 8980 14368 16160 17960 35920 45349 47441 71840 90698 94882 181396 189764 226745 237205 362792 379528 453490 474410 725584 759056 906980 948820 1451168 1518112 1813960 1897640 3627920 3795280 4791541 7255840 7590560 9583082 19166164 21301009 23957705 38332328 42602018 47915410 76664656 85204036 95830820 106505045 153329312 170408072 191661640 213010090 340816144 383323280 426020180 681632288 766646560 852040360 1704080720 2151401909 3408161440 4302803818 8605607636 10757009545 17211215272 21514019090 34422430544 43028038180 68844861088 86056076360 172112152720 344224305440