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444020043340 = 22597325970229
BaseRepresentation
bin1100111011000011010…
…10000010111001001100
31120110002112001021020101
412131201222002321030
524233323112341330
6535551402300444
744036142044536
oct6354152027114
91513075037211
10444020043340
11161342814505
12720794b7724
1332b4250c373
14176c2620856
15b83b2b44ca
hex6761a82e4c

444020043340 has 48 divisors (see below), whose sum is σ = 942357376800. Its totient is φ = 175720568832.

The previous prime is 444020043323. The next prime is 444020043347. The reversal of 444020043340 is 43340020444.

It is a junction number, because it is equal to n+sod(n) for n = 444020043299 and 444020043308.

It is not an unprimeable number, because it can be changed into a prime (444020043347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6287346 + ... + 6357574.

It is an arithmetic number, because the mean of its divisors is an integer number (19632445350).

Almost surely, 2444020043340 is an apocalyptic number.

It is an amenable number.

444020043340 is an abundant number, since it is smaller than the sum of its proper divisors (498337333460).

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

444020043340 is a wasteful number, since it uses less digits than its factorization.

444020043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73594 (or 73592 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 444020043340 its reverse (43340020444), we get a palindrome (487360063784).

The spelling of 444020043340 in words is "four hundred forty-four billion, twenty million, forty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 3259 6518 13036 16295 32590 65180 70229 140458 280916 316123 351145 632246 702290 1264492 1404580 1580615 3161230 6322460 6812213 13624426 27248852 34061065 68122130 136244260 228876311 457752622 915505244 1144381555 2288763110 4577526220 22201002167 44402004334 88804008668 111005010835 222010021670 444020043340