400241411 has 2 divisors, whose sum is σ = 400241412. Its totient is φ = 400241410.

The previous prime is 400241393. The next prime is 400241477. The reversal of 400241411 is 114142004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400241411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400241411.

It is not a weakly prime, because it can be changed into another prime (400241011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200120705 + 200120706.

It is an arithmetic number, because the mean of its divisors is an integer number (200120706).

Almost surely, 2^400241411 is an apocalyptic number.

400241411 is a deficient number, since it is larger than the sum of its proper divisors (1).

400241411 is an equidigital number, since it uses as much as digits as its factorization.

400241411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 400241411 is about 20006.0343646611. The cubic root of 400241411 is about 736.9544975396.

Adding to 400241411 its reverse (114142004), we get a palindrome (514383415).

The spelling of 400241411 in words is "four hundred million, two hundred forty-one thousand, four hundred eleven".