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244444040628480 = 28345711217732243
BaseRepresentation
bin110111100101001000010000…
…001101011000100100000000
31012001111121210111000212120000
4313211020100031120210000
5224014432343400102410
62223520013023320000
7102326333126426310
oct6745102015304400
91161447714025500
10244444040628480
1170984154323400
12234baa86750000
13a651c881bac84
14445122469b440
151d3d83cc44dc0
hexde5210358900

244444040628480 has 4320 divisors, whose sum is σ = 1179848449688832. Its totient is φ = 47129815941120.

The previous prime is 244444040628371. The next prime is 244444040628493. The reversal of 244444040628480 is 84826040444442.

244444040628480 is a `hidden beast` number, since 2 + 4 + 4 + 4 + 4 + 4 + 0 + 4 + 0 + 628 + 4 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4320).

It is a super-2 number, since 2×2444440406284802 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 479 ways as a sum of consecutive naturals, for example, 108980846239 + ... + 108980848481.

Almost surely, 2244444040628480 is an apocalyptic number.

244444040628480 is a gapful number since it is divisible by the number (20) 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 244444040628480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589924224844416).

244444040628480 is an abundant number, since it is smaller than the sum of its proper divisors (935404409060352).

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

244444040628480 is a wasteful number, since it uses less digits than its factorization.

244444040628480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 25165824, while the sum is 54.

The spelling of 244444040628480 in words is "two hundred forty-four trillion, four hundred forty-four billion, forty million, six hundred twenty-eight thousand, four hundred eighty".