400432100302441 has 2 divisors, whose sum is σ = 400432100302442. Its totient is φ = 400432100302440.

The previous prime is 400432100302393. The next prime is 400432100302453. The reversal of 400432100302441 is 144203001234004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366194341802025 + 34237758500416 = 19136205^2 + 5851304^2 .

It is a cyclic number.

It is not a de Polignac number, because 400432100302441 - 2⁹ = 400432100301929 is a prime.

It is not a weakly prime, because it can be changed into another prime (400432100303441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200216050151220 + 200216050151221.

It is an arithmetic number, because the mean of its divisors is an integer number (200216050151221).

Almost surely, 2^{400432100302441} is an apocalyptic number.

It is an amenable number.

400432100302441 is a deficient number, since it is larger than the sum of its proper divisors (1).

400432100302441 is an equidigital number, since it uses as much as digits as its factorization.

400432100302441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 400432100302441 its reverse (144203001234004), we get a palindrome (544635101536445).

The spelling of 400432100302441 in words is "four hundred trillion, four hundred thirty-two billion, one hundred million, three hundred two thousand, four hundred forty-one".