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44421355312444 = 221117194372688909
BaseRepresentation
bin10100001100110101001110…
…00110101001010100111100
312211021122021121222100122101
422012122213012221110330
521310244413424444234
6234250520000554444
712233223411110035
oct1206324706512474
9184248247870571
1044421355312444
1113176a9a014390
124b951a6022a24
131ba2bba10c586
14ad800dca1a8c
1552077c305814
hex2866a71a953c

44421355312444 has 96 divisors (see below), whose sum is σ = 96716956089600. Its totient is φ = 17584900623360.

The previous prime is 44421355312429. The next prime is 44421355312513.

44421355312444 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×444213553124444 (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 44421355312394 and 44421355312403.

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, 35733339 + ... + 36955570.

It is an arithmetic number, because the mean of its divisors is an integer number (1007468292600).

Almost surely, 244421355312444 is an apocalyptic number.

44421355312444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44421355312444 is an abundant number, since it is smaller than the sum of its proper divisors (52295600777156).

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

44421355312444 is a wasteful number, since it uses less digits than its factorization.

44421355312444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72689003 (or 72689001 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 46.

It can be divided in two parts, 4442135 and 5312444, that added together give a palindrome (9754579).

The spelling of 44421355312444 in words is "forty-four trillion, four hundred twenty-one billion, three hundred fifty-five million, three hundred twelve thousand, four hundred forty-four".

Divisors: 1 2 4 11 17 19 22 34 38 43 44 68 76 86 172 187 209 323 374 418 473 646 731 748 817 836 946 1292 1462 1634 1892 2924 3268 3553 7106 8041 8987 13889 14212 16082 17974 27778 32164 35948 55556 152779 305558 611116 72688909 145377818 290755636 799577999 1235711453 1381089271 1599155998 2471422906 2762178542 3125623087 3198311996 4942845812 5524357084 6251246174 12502492348 13592825983 15191981981 23478517607 27185651966 30383963962 34381853957 46957035214 53135592479 54371303932 59386838653 60767927924 68763707914 93914070428 106271184958 118773677306 137527415828 212542369916 237547354612 258263693677 516527387354 584491517269 653255225183 1009576257101 1033054774708 1168983034538 1306510450366 2019152514202 2337966069076 2613020900732 4038305028404 11105338828111 22210677656222 44421355312444