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8844055440 = 2435113350021
BaseRepresentation
bin10000011110010010…
…11001001110010000
3211211100122120021220
420033021121032100
5121103034233230
64021330445040
7432110142123
oct101711311620
924740576256
108844055440
113829269830
121869a33780
13aac37c6cc
145dc8203ba
1536b675d10
hex20f259390

8844055440 has 80 divisors (see below), whose sum is σ = 29908996416. Its totient is φ = 2144012800.

The previous prime is 8844055397. The next prime is 8844055453. The reversal of 8844055440 is 445504488.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 8844055392 and 8844055401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672371 + ... + 1677650.

Almost surely, 28844055440 is an apocalyptic number.

8844055440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8844055440 is an abundant number, since it is smaller than the sum of its proper divisors (21064940976).

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

8844055440 is a wasteful number, since it uses less digits than its factorization.

8844055440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350048 (or 3350042 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 42.

The square root of 8844055440 is about 94042.8383238192. The cubic root of 8844055440 is about 2067.9997667942. Note that the first 3 decimals are identical.

The spelling of 8844055440 in words is "eight billion, eight hundred forty-four million, fifty-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 3350021 6700042 10050063 13400084 16750105 20100126 26800168 33500210 36850231 40200252 50250315 53600336 67000420 73700462 80400504 100500630 110550693 134000840 147400924 160801008 184251155 201001260 221101386 268001680 294801848 368502310 402002520 442202772 552753465 589603696 737004620 804005040 884405544 1105506930 1474009240 1768811088 2211013860 2948018480 4422027720 8844055440