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444864468444 = 2231131372938261
BaseRepresentation
bin1100111100100111111…
…11010001010111011100
31120112021100222111201020
412132103333101113130
524242040300442234
6540211245244140
744066104406364
oct6362377212734
91515240874636
10444864468444
111617364385a0
1272274263650
1332c48447ca6
14177628319a4
15b88a4b4549
hex6793fd15dc

444864468444 has 96 divisors (see below), whose sum is σ = 1200503334912. Its totient is φ = 126932832000.

The previous prime is 444864468421. The next prime is 444864468457.

444864468444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4448644684442 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317727 + ... + 1620534.

It is an arithmetic number, because the mean of its divisors is an integer number (12505243072).

Almost surely, 2444864468444 is an apocalyptic number.

444864468444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444864468444 is an abundant number, since it is smaller than the sum of its proper divisors (755638866468).

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

444864468444 is a wasteful number, since it uses less digits than its factorization.

444864468444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938347 (or 2938345 counting only the distinct ones).

The product of its digits is 150994944, while the sum is 60.

The spelling of 444864468444 in words is "four hundred forty-four billion, eight hundred sixty-four million, four hundred sixty-eight thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 31 33 37 44 62 66 74 93 111 124 132 148 186 222 341 372 407 444 682 814 1023 1147 1221 1364 1628 2046 2294 2442 3441 4092 4588 4884 6882 12617 13764 25234 37851 50468 75702 151404 2938261 5876522 8814783 11753044 17629566 32320871 35259132 64641742 91086091 96962613 108715657 129283484 182172182 193925226 217431314 273258273 326146971 364344364 387850452 434862628 546516546 652293942 1001947001 1093033092 1195872227 1304587884 2003894002 2391744454 3005841003 3370185367 3587616681 4007788004 4783488908 6011682006 6740370734 7175233362 10110556101 12023364012 13480741468 14350466724 20221112202 37072039037 40442224404 74144078074 111216117111 148288156148 222432234222 444864468444