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1444301342040 = 2335229335915647
BaseRepresentation
bin10101000001000111000…
…100011000010101011000
312010001222211210010222210
4111001013010120111120
5142130412120421130
63023300342115120
7206230063563444
oct25010704302530
95101884703883
101444301342040
11507585500267
121b3ab971baa0
13a6273b5872b
144dc9416d824
15278825935b0
hex15047118558

1444301342040 has 128 divisors (see below), whose sum is σ = 4353398784000. Its totient is φ = 383326499328.

The previous prime is 1444301342039. The next prime is 1444301342053. The reversal of 1444301342040 is 402431034441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1444301341989 and 1444301342007.

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, 92297497 + ... + 92313143.

It is an arithmetic number, because the mean of its divisors is an integer number (34010928000).

Almost surely, 21444301342040 is an apocalyptic number.

1444301342040 is a gapful number since it is divisible by the number (10) 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 1444301342040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176699392000).

1444301342040 is an abundant number, since it is smaller than the sum of its proper divisors (2909097441960).

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

1444301342040 is a wasteful number, since it uses less digits than its factorization.

1444301342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19249 (or 19245 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1444301342040 its reverse (402431034441), we get a palindrome (1846732376481).

The spelling of 1444301342040 in words is "one trillion, four hundred forty-four billion, three hundred one million, three hundred forty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 229 458 687 916 1145 1374 1832 2290 2748 3359 3435 4580 5496 6718 6870 9160 10077 13436 13740 15647 16795 20154 26872 27480 31294 33590 40308 46941 50385 62588 67180 78235 80616 93882 100770 125176 134360 156470 187764 201540 234705 312940 375528 403080 469410 625880 769211 938820 1538422 1877640 2307633 3076844 3583163 3846055 4615266 6153688 7166326 7692110 9230532 10749489 11538165 14332652 15384220 17915815 18461064 21498978 23076330 28665304 30768440 35831630 42997956 46152660 52558273 53747445 71663260 85995912 92305320 105116546 107494890 143326520 157674819 210233092 214989780 262791365 315349638 420466184 429979560 525582730 630699276 788374095 1051165460 1261398552 1576748190 2102330920 3153496380 6306992760 12035844517 24071689034 36107533551 48143378068 60179222585 72215067102 96286756136 120358445170 144430134204 180537667755 240716890340 288860268408 361075335510 481433780680 722150671020 1444301342040