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40220320211420 = 22547347391231687
BaseRepresentation
bin10010010010100100001011…
…11001100010000111011100
312021102000200021021101112212
421021102011321202013130
520232432203433231140
6221312543211015552
711320552012663436
oct1111220571420734
9167360607241485
1040220320211420
11118a7384243928
124616b73a3a5b8
1319599b5717a7b
149d09611d7656
1549b3520ae765
hex249485e621dc

40220320211420 has 48 divisors (see below), whose sum is σ = 86262303697920. Its totient is φ = 15745361442624.

The previous prime is 40220320211399. The next prime is 40220320211497. The reversal of 40220320211420 is 2411202302204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32038817 + ... + 33270503.

It is an arithmetic number, because the mean of its divisors is an integer number (1797131327040).

Almost surely, 240220320211420 is an apocalyptic number.

It is an amenable number.

40220320211420 is an abundant number, since it is smaller than the sum of its proper divisors (46041983486500).

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

40220320211420 is a wasteful number, since it uses less digits than its factorization.

40220320211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266482 (or 1266480 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40220320211420 its reverse (2411202302204), we get a palindrome (42631522513624).

The spelling of 40220320211420 in words is "forty trillion, two hundred twenty billion, three hundred twenty million, two hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 34739 69478 138956 173695 347390 694780 1231687 1632733 2463374 3265466 4926748 6158435 6530932 8163665 12316870 16327330 24633740 32654660 57889289 115778578 231557156 289446445 578892890 1157785780 42787574693 85575149386 171150298772 213937873465 427875746930 855751493860 2011016010571 4022032021142 8044064042284 10055080052855 20110160105710 40220320211420