400076226073 has 2 divisors, whose sum is σ = 400076226074. Its totient is φ = 400076226072.

The previous prime is 400076226047. The next prime is 400076226079. The reversal of 400076226073 is 370622670004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365170029849 + 34906196224 = 604293^2 + 186832^2 .

It is a cyclic number.

It is not a de Polignac number, because 400076226073 - 2¹³ = 400076217881 is a prime.

It is not a weakly prime, because it can be changed into another prime (400076226079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200038113036 + 200038113037.

It is an arithmetic number, because the mean of its divisors is an integer number (200038113037).

Almost surely, 2^400076226073 is an apocalyptic number.

It is an amenable number.

400076226073 is a deficient number, since it is larger than the sum of its proper divisors (1).

400076226073 is an equidigital number, since it uses as much as digits as its factorization.

400076226073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

Adding to 400076226073 its reverse (370622670004), we get a palindrome (770698896077).

The spelling of 400076226073 in words is "four hundred billion, seventy-six million, two hundred twenty-six thousand, seventy-three".