404400000451 has 2 divisors, whose sum is σ = 404400000452. Its totient is φ = 404400000450.

The previous prime is 404400000421. The next prime is 404400000467. The reversal of 404400000451 is 154000004404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404400000451 - 2²⁵ = 404366446019 is a prime.

It is not a weakly prime, because it can be changed into another prime (404400000401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202200000225 + 202200000226.

It is an arithmetic number, because the mean of its divisors is an integer number (202200000226).

Almost surely, 2^404400000451 is an apocalyptic number.

404400000451 is a deficient number, since it is larger than the sum of its proper divisors (1).

404400000451 is an equidigital number, since it uses as much as digits as its factorization.

404400000451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 404400000451 its reverse (154000004404), we get a palindrome (558400004855).

The spelling of 404400000451 in words is "four hundred four billion, four hundred million, four hundred fifty-one", and thus it is an aban number.