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2400444000404 = 2219241213718973
BaseRepresentation
bin100010111011100101100…
…111001010100010010100
322111110222001212210000022
4202323211213022202110
5303312102131003104
65034425421404312
7335266145226632
oct42734547124224
98443861783008
102400444000404
1184602807126a
1232927ba09698
1314548cb7b638
14842799cc352
154269387bbbe
hex22ee59ca894

2400444000404 has 72 divisors (see below), whose sum is σ = 4544006073768. Its totient is φ = 1108741893120.

The previous prime is 2400444000379. The next prime is 2400444000407. The reversal of 2400444000404 is 4040004440042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 145731535504 + 2254712464900 = 381748^2 + 1501570^2 .

It is a super-3 number, since 3×24004440004043 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400444000407) 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, 126509462 + ... + 126528434.

It is an arithmetic number, because the mean of its divisors is an integer number (63111195469).

Almost surely, 22400444000404 is an apocalyptic number.

It is an amenable number.

2400444000404 is a deficient number, since it is larger than the sum of its proper divisors (2143562073364).

2400444000404 is a wasteful number, since it uses less digits than its factorization.

2400444000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193 (or 21172 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2400444000404 its reverse (4040004440042), we get a palindrome (6440448440446).

The spelling of 2400444000404 in words is "two trillion, four hundred billion, four hundred forty-four million, four hundred four", and thus it is an aban number.

Divisors: 1 2 4 19 38 41 76 82 164 361 722 779 1444 1558 2137 3116 4274 8548 14801 18973 29602 37946 40603 59204 75892 81206 87617 162412 175234 350468 360487 720974 771457 777893 1441948 1542914 1555786 1664723 3085828 3111572 3329446 6658892 6849253 13698506 14779967 27397012 29559934 31629737 40545301 59119868 63259474 81090602 126518948 162181204 280819373 561638746 770360719 1123277492 1540721438 1662357341 3081442876 3324714682 6649429364 14636853661 29273707322 31584789479 58547414644 63169578958 126339157916 600111000101 1200222000202 2400444000404