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40404841 is a prime number
BaseRepresentation
bin1001101000100…
…0011101101001
32211000210000121
42122020131221
540320423331
64002003241
71000302241
oct232103551
984023017
1040404841
1120897834
1211646521
1384a8bb9
14551ab21
153831c11
hex2688769

40404841 has 2 divisors, whose sum is σ = 40404842. Its totient is φ = 40404840.

The previous prime is 40404829. The next prime is 40404853. The reversal of 40404841 is 14840404.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40404829) and next prime (40404853).

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 18455616 = 4685^2 + 4296^2 .

It is a cyclic number.

It is not a de Polignac number, because 40404841 - 211 = 40402793 is a prime.

It is not a weakly prime, because it can be changed into another prime (40404641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202420 + 20202421.

It is an arithmetic number, because the mean of its divisors is an integer number (20202421).

Almost surely, 240404841 is an apocalyptic number.

It is an amenable number.

40404841 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404841 is an equidigital number, since it uses as much as digits as its factorization.

40404841 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 25.

The square root of 40404841 is about 6356.4802367348. The cubic root of 40404841 is about 343.1450992149.

The spelling of 40404841 in words is "forty million, four hundred four thousand, eight hundred forty-one".