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44444432140 = 2254159918653
BaseRepresentation
bin101001011001000110…
…000011011100001100
311020201102001002020021
4221121012003130030
51212010233312030
632230102231524
73132242303623
oct513106033414
9136642032207
1044444432140
11179377a5759
1287444255a4
134263aa1574
1422189706ba
151251c9a97a
hexa5918370c

44444432140 has 48 divisors (see below), whose sum is σ = 97230339360. Its totient is φ = 17050181120.

The previous prime is 44444432119. The next prime is 44444432177. The reversal of 44444432140 is 4123444444.

It is a junction number, because it is equal to n+sod(n) for n = 44444432096 and 44444432105.

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, 410947 + ... + 507706.

It is an arithmetic number, because the mean of its divisors is an integer number (2025632070).

Almost surely, 244444432140 is an apocalyptic number.

It is an amenable number.

44444432140 is an abundant number, since it is smaller than the sum of its proper divisors (52785907220).

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

44444432140 is a wasteful number, since it uses less digits than its factorization.

44444432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918762 (or 918760 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 44444432140 its reverse (4123444444), we get a palindrome (48567876584).

The spelling of 44444432140 in words is "forty-four billion, four hundred forty-four million, four hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 59 82 118 164 205 236 295 410 590 820 1180 2419 4838 9676 12095 24190 48380 918653 1837306 3674612 4593265 9186530 18373060 37664773 54200527 75329546 108401054 150659092 188323865 216802108 271002635 376647730 542005270 753295460 1084010540 2222221607 4444443214 8888886428 11111108035 22222216070 44444432140