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440420222220 = 2235113671181777
BaseRepresentation
bin1100110100010110001…
…01110100010100001100
31120002210122100102000020
412122023011310110030
524203440034102340
6534154245502140
743551011056326
oct6321305642414
91502718312006
10440420222220
1115a865808630
1271433a11950
13326ba7927b4
14174604ba616
15b6ca23a9d0
hex668b17450c

440420222220 has 96 divisors (see below), whose sum is σ = 1345657453056. Its totient is φ = 106738867200.

The previous prime is 440420222197. The next prime is 440420222227. The reversal of 440420222220 is 22222024044.

It is not an unprimeable number, because it can be changed into a prime (440420222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2331972 + ... + 2513748.

It is an arithmetic number, because the mean of its divisors is an integer number (14017265136).

Almost surely, 2440420222220 is an apocalyptic number.

It is an amenable number.

440420222220 is an abundant number, since it is smaller than the sum of its proper divisors (905237230836).

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

440420222220 is a wasteful number, since it uses less digits than its factorization.

440420222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185471 (or 185469 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 440420222220 its reverse (22222024044), we get a palindrome (462642246264).

The spelling of 440420222220 in words is "four hundred forty billion, four hundred twenty million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 3671 7342 11013 14684 18355 22026 36710 40381 44052 55065 73420 80762 110130 121143 161524 181777 201905 220260 242286 363554 403810 484572 545331 605715 727108 807620 908885 1090662 1211430 1817770 1999547 2181324 2422860 2726655 3635540 3999094 5453310 5998641 7998188 9997735 10906620 11997282 19995470 23994564 29993205 39990940 59986410 119972820 667303367 1334606734 2001910101 2669213468 3336516835 4003820202 6673033670 7340337037 8007640404 10009550505 13346067340 14680674074 20019101010 22021011111 29361348148 36701685185 40038202020 44042022222 73403370370 88084044444 110105055555 146806740740 220210111110 440420222220