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445042686240544 = 25729254943916121
BaseRepresentation
bin110010100110000111001001…
…1001110010010011100100000
32011100202122221222222221122111
41211030032103032102130200
5431313034410134144134
64214305442042045104
7162512162433560230
oct14514162316223440
92140678858887574
10445042686240544
111198935a8164577
1241ab83071a9794
1316143464638972
147bc8276727cc0
15366b8accbbc64
hex194c393392720

445042686240544 has 192 divisors, whose sum is σ = 1036686942144000. Its totient is φ = 184011358003200.

The previous prime is 445042686240541. The next prime is 445042686240547.

445042686240544 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (445042686240541) and next prime (445042686240547).

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (445042686240541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72707509804 + ... + 72707515924.

It is an arithmetic number, because the mean of its divisors is an integer number (5399411157000).

Almost surely, 2445042686240544 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 445042686240544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518343471072000).

445042686240544 is an abundant number, since it is smaller than the sum of its proper divisors (591644255903456).

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

445042686240544 is a wasteful number, since it uses less digits than its factorization.

445042686240544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13107 (or 13099 counting only the distinct ones).

The product of its (nonzero) digits is 117964800, while the sum is 58.

The spelling of 445042686240544 in words is "four hundred forty-five trillion, forty-two billion, six hundred eighty-six million, two hundred forty thousand, five hundred forty-four".