444402011 has 2 divisors, whose sum is σ = 444402012. Its totient is φ = 444402010.

The previous prime is 444401999. The next prime is 444402017. The reversal of 444402011 is 110204444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444402011 is a prime.

It is not a weakly prime, because it can be changed into another prime (444402017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222201005 + 222201006.

It is an arithmetic number, because the mean of its divisors is an integer number (222201006).

Almost surely, 2^444402011 is an apocalyptic number.

444402011 is a deficient number, since it is larger than the sum of its proper divisors (1).

444402011 is an equidigital number, since it uses as much as digits as its factorization.

444402011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 444402011 is about 21080.8446462660. The cubic root of 444402011 is about 763.1185405118.

Adding to 444402011 its reverse (110204444), we get a palindrome (554606455).

The spelling of 444402011 in words is "four hundred forty-four million, four hundred two thousand, eleven".