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2440220441 is a prime number
BaseRepresentation
bin1001000101110010…
…1100111100011001
320022001201001010212
42101130230330121
514444144023231
61042050220505
7114320350211
oct22134547431
96261631125
102440220441
11104249380a
12581284735
132cb72b929
1419212d241
15e436d42b
hex9172cf19

2440220441 has 2 divisors, whose sum is σ = 2440220442. Its totient is φ = 2440220440.

The previous prime is 2440220437. The next prime is 2440220473. The reversal of 2440220441 is 1440220442.

2440220441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1280136841 + 1160083600 = 35779^2 + 34060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440220441 - 22 = 2440220437 is a prime.

It is not a weakly prime, because it can be changed into another prime (2440240441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220110220 + 1220110221.

It is an arithmetic number, because the mean of its divisors is an integer number (1220110221).

Almost surely, 22440220441 is an apocalyptic number.

It is an amenable number.

2440220441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440220441 is an equidigital number, since it uses as much as digits as its factorization.

2440220441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2440220441 is about 49398.5874393185. The cubic root of 2440220441 is about 1346.3036407983.

Adding to 2440220441 its reverse (1440220442), we get a palindrome (3880440883).

Subtracting from 2440220441 its reverse (1440220442), we obtain a palindrome (999999999).

The spelling of 2440220441 in words is "two billion, four hundred forty million, two hundred twenty thousand, four hundred forty-one".