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404440404201 = 3247956123887
BaseRepresentation
bin1011110001010101000…
…01101101000011101001
31102122221010222021102200
411320222201231003221
523111243220413301
6505444121250413
741135260466601
oct5705241550351
91378833867380
10404440404201
11146582078839
1266472333a09
132c1a5579b52
1415809bd7c01
15a7c1663c86
hex5e2a86d0e9

404440404201 has 12 divisors (see below), whose sum is σ = 596621306112. Its totient is φ = 263890192536.

The previous prime is 404440404163. The next prime is 404440404217. The reversal of 404440404201 is 102404044404.

It is not a de Polignac number, because 404440404201 - 214 = 404440387817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404440400201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478061521 + ... + 478062366.

It is an arithmetic number, because the mean of its divisors is an integer number (49718442176).

Almost surely, 2404440404201 is an apocalyptic number.

It is an amenable number.

404440404201 is a deficient number, since it is larger than the sum of its proper divisors (192180901911).

404440404201 is a wasteful number, since it uses less digits than its factorization.

404440404201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956123940 (or 956123937 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 404440404201 its reverse (102404044404), we get a palindrome (506844448605).

The spelling of 404440404201 in words is "four hundred four billion, four hundred forty million, four hundred four thousand, two hundred one".

Divisors: 1 3 9 47 141 423 956123887 2868371661 8605114983 44937822689 134813468067 404440404201