444405425 has 36 divisors (see below), whose sum is σ = 596182080. Its totient is φ = 327983040.

The previous prime is 444405419. The next prime is 444405427. The reversal of 444405425 is 524504444.

It is not a de Polignac number, because 444405425 - 2⁶ = 444405361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444405391 and 444405400.

It is not an unprimeable number, because it can be changed into a prime (444405427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 483116 + ... + 484034.

Almost surely, 2^444405425 is an apocalyptic number.

It is an amenable number.

444405425 is a deficient number, since it is larger than the sum of its proper divisors (151776655).

444405425 is a wasteful number, since it uses less digits than its factorization.

444405425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 444405425 is about 21080.9256200955. The cubic root of 444405425 is about 763.1204946584.

Adding to 444405425 its reverse (524504444), we get a palindrome (968909869).

The spelling of 444405425 in words is "four hundred forty-four million, four hundred five thousand, four hundred twenty-five".