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40443204441231 = 3223505493865117
BaseRepresentation
bin10010011001000011010101…
…10101011001010010001111
312022012022222110021101210100
421030201222311121102033
520300110140314104411
6222003203541342143
711342632210453554
oct1114415265312217
9168168873241710
1040443204441231
1111982959611649
1246521b7407953
131974a15b20517
149db66666ca2b
154a20495c6456
hex24c86ad5948f

40443204441231 has 24 divisors (see below), whose sum is σ = 60959095048800. Its totient is φ = 25789352630976.

The previous prime is 40443204441221. The next prime is 40443204441271. The reversal of 40443204441231 is 13214440234404.

40443204441231 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 3 + 204 + 4 + 412 + 31 = 666.

It is not a de Polignac number, because 40443204441231 - 210 = 40443204440207 is a prime.

It is a super-2 number, since 2×404432044412312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443204441221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8531085 + ... + 12396201.

It is an arithmetic number, because the mean of its divisors is an integer number (2539962293700).

Almost surely, 240443204441231 is an apocalyptic number.

40443204441231 is a deficient number, since it is larger than the sum of its proper divisors (20515890607569).

40443204441231 is a wasteful number, since it uses less digits than its factorization.

40443204441231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915695 (or 3915692 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 40443204441231 its reverse (13214440234404), we get a palindrome (53657644675635).

The spelling of 40443204441231 in words is "forty trillion, four hundred forty-three billion, two hundred four million, four hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 3 9 23 69 207 50549 151647 454941 1162627 3487881 3865117 10463643 11595351 34786053 88897691 266693073 800079219 195377799233 586133397699 1758400193097 4493689382359 13481068147077 40443204441231