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5440223404 = 2271126832351
BaseRepresentation
bin1010001000100001…
…10011100010101100
3112001010201222112201
411010100303202230
542120144122104
62255454511244
7251546064430
oct50420634254
915033658481
105440223404
112341956400
121079b05524
13689114605
143987369c0
1521c9130a4
hex1444338ac

5440223404 has 72 divisors (see below), whose sum is σ = 11982104064. Its totient is φ = 2115564000.

The previous prime is 5440223401. The next prime is 5440223407. The reversal of 5440223404 is 4043220445.

It is an interprime number because it is at equal distance from previous prime (5440223401) and next prime (5440223407).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (5440223401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2312829 + ... + 2315179.

It is an arithmetic number, because the mean of its divisors is an integer number (166418112).

Almost surely, 25440223404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5440223404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5991052032).

5440223404 is an abundant number, since it is smaller than the sum of its proper divisors (6541880660).

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

5440223404 is a wasteful number, since it uses less digits than its factorization.

5440223404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067 (or 3054 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 5440223404 is about 73757.8701156697. The cubic root of 5440223404 is about 1758.7559437625.

Adding to 5440223404 its reverse (4043220445), we get a palindrome (9483443849).

The spelling of 5440223404 in words is "five billion, four hundred forty million, two hundred twenty-three thousand, four hundred four".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 683 847 1366 1694 2351 2732 3388 4702 4781 7513 9404 9562 15026 16457 19124 25861 30052 32914 51722 52591 65828 82643 103444 105182 165286 181027 210364 284471 330572 362054 568942 578501 724108 1137884 1157002 1605733 1991297 2314004 3211466 3982594 6422932 7965188 11240131 17663063 22480262 35326126 44960524 70652252 123641441 194293693 247282882 388587386 494565764 777174772 1360055851 2720111702 5440223404