440004041425 has 24 divisors (see below), whose sum is σ = 592965268280. Its totient is φ = 321945062400.

The previous prime is 440004041423. The next prime is 440004041501. The reversal of 440004041425 is 524140400044.

It can be written as a sum of positive squares in 12 ways, for example, as 191158705089 + 248845336336 = 437217^2 + 498844^2 .

It is not a de Polignac number, because 440004041425 - 2¹ = 440004041423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440004041393 and 440004041402.

It is not an unprimeable number, because it can be changed into a prime (440004041423) 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 in 23 ways as a sum of consecutive naturals, for example, 6174936 + ... + 6245785.

Almost surely, 2^440004041425 is an apocalyptic number.

It is an amenable number.

440004041425 is a deficient number, since it is larger than the sum of its proper divisors (152961226855).

440004041425 is a wasteful number, since it uses less digits than its factorization.

440004041425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12420853 (or 12420848 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 440004041425 its reverse (524140400044), we get a palindrome (964144441469).

The spelling of 440004041425 in words is "four hundred forty billion, four million, forty-one thousand, four hundred twenty-five".