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444120168 = 233433371277
BaseRepresentation
bin11010011110001…
…011110001101000
31010221200122100010
4122132023301220
51402143321133
6112023011520
714001646662
oct3236136150
91127618303
10444120168
11208770068
12104899ba0
137101b5cb
1442dab532
1528ecb263
hex1a78bc68

444120168 has 64 divisors (see below), whose sum is σ = 1140384960. Its totient is φ = 144055296.

The previous prime is 444120163. The next prime is 444120169. The reversal of 444120168 is 861021444.

It is not an unprimeable number, because it can be changed into a prime (444120163) 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, 347146 + ... + 348422.

It is an arithmetic number, because the mean of its divisors is an integer number (17818515).

Almost surely, 2444120168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444120168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570192480).

444120168 is an abundant number, since it is smaller than the sum of its proper divisors (696264792).

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

444120168 is a wasteful number, since it uses less digits than its factorization.

444120168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 444120168 is about 21074.1587732464. The cubic root of 444120168 is about 762.9571812786.

The spelling of 444120168 in words is "four hundred forty-four million, one hundred twenty thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 337 344 516 674 1011 1032 1277 1348 2022 2554 2696 3831 4044 5108 7662 8088 10216 14491 15324 28982 30648 43473 54911 57964 86946 109822 115928 164733 173892 219644 329466 347784 430349 439288 658932 860698 1291047 1317864 1721396 2582094 3442792 5164188 10328376 18505007 37010014 55515021 74020028 111030042 148040056 222060084 444120168