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5440455405 = 3257111570117
BaseRepresentation
bin1010001000100011…
…01100001011101101
3112001011011202210100
411010101230023231
542120224033110
62255503501313
7251551052010
oct50421541355
915034152710
105440455405
112341aa4740
121079bb7839
136891960a8
14398797377
1521c95bbc0
hex14446c2ed

5440455405 has 48 divisors (see below), whose sum is σ = 11757043584. Its totient is φ = 2260967040.

The previous prime is 5440455389. The next prime is 5440455467. The reversal of 5440455405 is 5045540445.

It is not a de Polignac number, because 5440455405 - 24 = 5440455389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440455405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 781594 + ... + 788523.

It is an arithmetic number, because the mean of its divisors is an integer number (244938408).

Almost surely, 25440455405 is an apocalyptic number.

5440455405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5440455405 is an abundant number, since it is smaller than the sum of its proper divisors (6316588179).

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

5440455405 is a wasteful number, since it uses less digits than its factorization.

5440455405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570146 (or 1570143 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5440455405 is about 73759.4428192079. The cubic root of 5440455405 is about 1758.7809444109.

The spelling of 5440455405 in words is "five billion, four hundred forty million, four hundred fifty-five thousand, four hundred five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 165 231 315 385 495 693 1155 3465 1570117 4710351 7850585 10990819 14131053 17271287 23551755 32972457 51813861 54954095 70655265 86356435 98917371 120899009 155441583 164862285 259069305 362697027 494586855 604495045 777207915 1088091081 1813485135 5440455405