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4424440420420 = 225221222021021
BaseRepresentation
bin100000001100010010100…
…1100110001100001000100
3120122222020212020001212021
41000120211030301201010
51034442223221423140
613224320533132524
7634440521025136
oct100304514614104
916588225201767
104424440420420
1114564382aa629
125b55a018a144
132612b8a576b7
14114203425056
157a15338eb4a
hex40625331844

4424440420420 has 12 divisors (see below), whose sum is σ = 9291324882924. Its totient is φ = 1769776168160.

The previous prime is 4424440420409. The next prime is 4424440420427. The reversal of 4424440420420 is 240240444244.

It can be written as a sum of positive squares in 2 ways, for example, as 3072931868484 + 1351508551936 = 1752978^2 + 1162544^2 .

It is not an unprimeable number, because it can be changed into a prime (4424440420427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110611010491 + ... + 110611010530.

It is an arithmetic number, because the mean of its divisors is an integer number (774277073577).

Almost surely, 24424440420420 is an apocalyptic number.

It is an amenable number.

4424440420420 is an abundant number, since it is smaller than the sum of its proper divisors (4866884462504).

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

4424440420420 is a wasteful number, since it uses less digits than its factorization.

4424440420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221222021030 (or 221222021028 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 4424440420420 its reverse (240240444244), we get a palindrome (4664680864664).

The spelling of 4424440420420 in words is "four trillion, four hundred twenty-four billion, four hundred forty million, four hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 221222021021 442444042042 884888084084 1106110105105 2212220210210 4424440420420