400330141 has 2 divisors, whose sum is σ = 400330142. Its totient is φ = 400330140.

The previous prime is 400330097. The next prime is 400330193. The reversal of 400330141 is 141033004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214007641 + 186322500 = 14629^2 + 13650^2 .

It is a cyclic number.

It is not a de Polignac number, because 400330141 - 2⁷ = 400330013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400330241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200165070 + 200165071.

It is an arithmetic number, because the mean of its divisors is an integer number (200165071).

Almost surely, 2^400330141 is an apocalyptic number.

It is an amenable number.

400330141 is a deficient number, since it is larger than the sum of its proper divisors (1).

400330141 is an equidigital number, since it uses as much as digits as its factorization.

400330141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 400330141 is about 20008.2518226856. The cubic root of 400330141 is about 737.0089522922.

Adding to 400330141 its reverse (141033004), we get a palindrome (541363145).

The spelling of 400330141 in words is "four hundred million, three hundred thirty thousand, one hundred forty-one".