445424413224255 has 128 divisors (see below), whose sum is σ = 776529005091840. Its totient is φ = 217147833262080.

The previous prime is 445424413224253. The next prime is 445424413224269. The reversal of 445424413224255 is 552422314424544.

It is not a de Polignac number, because 445424413224255 - 2¹ = 445424413224253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 445424413224198 and 445424413224207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445424413224253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19614432841 + ... + 19614455549.

It is an arithmetic number, because the mean of its divisors is an integer number (6066632852280).

Almost surely, 2^{445424413224255} is an apocalyptic number.

445424413224255 is a deficient number, since it is larger than the sum of its proper divisors (331104591867585).

445424413224255 is a wasteful number, since it uses less digits than its factorization.

445424413224255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32841.

The product of its digits is 24576000, while the sum is 51.

Adding to 445424413224255 its reverse (552422314424544), we get a palindrome (997846727648799).

The spelling of 445424413224255 in words is "four hundred forty-five trillion, four hundred twenty-four billion, four hundred thirteen million, two hundred twenty-four thousand, two hundred fifty-five".