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40144421230 = 2531532443361
BaseRepresentation
bin100101011000110010…
…110100000101101110
310211121201210220011221
4211120302310011232
51124203432434410
630235254133554
72620546643644
oct453062640556
9124551726157
1040144421230
111603052a931
1279443512ba
133a29c7a104
141d2b843194
15109e5134da
hex958cb416e

40144421230 has 32 divisors (see below), whose sum is σ = 75998331648. Its totient is φ = 15246566400.

The previous prime is 40144421227. The next prime is 40144421243. The reversal of 40144421230 is 3212444104.

It is a super-2 number, since 2×401444212302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40144421195 and 40144421204.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1205251 + ... + 1238110.

It is an arithmetic number, because the mean of its divisors is an integer number (2374947864).

Almost surely, 240144421230 is an apocalyptic number.

40144421230 is a deficient number, since it is larger than the sum of its proper divisors (35853910418).

40144421230 is a wasteful number, since it uses less digits than its factorization.

40144421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443452.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40144421230 its reverse (3212444104), we get a palindrome (43356865334).

It can be divided in two parts, 4014 and 4421230, that added together give a palindrome (4425244).

The spelling of 40144421230 in words is "forty billion, one hundred forty-four million, four hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 31 53 62 106 155 265 310 530 1643 3286 8215 16430 2443361 4886722 12216805 24433610 75744191 129498133 151488382 258996266 378720955 647490665 757441910 1294981330 4014442123 8028884246 20072210615 40144421230